diff --git a/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DECOMMISSION-BACKEND.md b/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DECOMMISSION-BACKEND.md
index 0a657a975c..6ea943500d 100644
--- a/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DECOMMISSION-BACKEND.md
+++ b/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DECOMMISSION-BACKEND.md
@@ -36,8 +36,16 @@ The node offline operation is used to safely log off the node. The operation is
 
 grammar:
 
+- Find backend through host and port
+
 ```sql
 ALTER SYSTEM DECOMMISSION BACKEND "host:heartbeat_port"[,"host:heartbeat_port"...];
+````
+
+- Find backend through backend_id
+
+```sql
+ALTER SYSTEM DECOMMISSION BACKEND "id1","id2"...;
 ````
 
   illustrate:
@@ -55,6 +63,10 @@ ALTER SYSTEM DECOMMISSION BACKEND "host:heartbeat_port"[,"host:heartbeat_port"..
     ALTER SYSTEM DECOMMISSION BACKEND "host1:port", "host2:port";
     ````
 
+    ```sql
+    ALTER SYSTEM DECOMMISSION BACKEND "id1", "id2";
+    ````
+
 ### Keywords
 
     ALTER, SYSTEM, DECOMMISSION, BACKEND, ALTER SYSTEM
diff --git a/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DROP-BACKEND.md b/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DROP-BACKEND.md
index 6c71609118..2882654cc5 100644
--- a/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DROP-BACKEND.md
+++ b/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DROP-BACKEND.md
@@ -36,9 +36,16 @@ This statement is used to delete the BACKEND node (administrator only!)
 
 grammar:
 
+- Find backend through host and port
+
 ```sql
 ALTER SYSTEM DROP BACKEND "host:heartbeat_port"[,"host:heartbeat_port"...]
 ````
+- Find backend through backend_id
+
+```sql
+ALTER SYSTEM DROP BACKEND "id1","id2"...;
+````
 
 illustrate:
 
@@ -54,6 +61,10 @@ illustrate:
     ALTER SYSTEM DROP BACKEND "host1:port", "host2:port";
     ````
 
+    ```sql
+    ALTER SYSTEM DROP BACKEND "ids1", "ids2";
+    ````
+
 ### Keywords
 
     ALTER, SYSTEM, DROP, BACKEND, ALTER SYSTEM
diff --git a/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-MODIFY-BACKEND.md b/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-MODIFY-BACKEND.md
index 9c0ce3e0ed..d4f13ccfdb 100644
--- a/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-MODIFY-BACKEND.md
+++ b/docs/en/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-MODIFY-BACKEND.md
@@ -37,8 +37,16 @@ Modify BE node properties (administrator only!)
 
 grammar:
 
+- Find backend through host and port
+
 ```sql
 ALTER SYSTEM MODIFY BACKEND "host:heartbeat_port" SET ("key" = "value"[, ...]);
+````
+
+- Find backend through backend_id
+
+```sql
+ALTER SYSTEM MODIFY BACKEND "id1" SET ("key" = "value"[, ...]);
 ````
 
   illustrate:
@@ -62,18 +70,31 @@ Note:
     ALTER SYSTEM MODIFY BACKEND "host1:heartbeat_port" SET ("tag.location" = "group_a");
     ALTER SYSTEM MODIFY BACKEND "host1:heartbeat_port" SET ("tag.location" = "group_a", "tag.compute" = "c1");
     ````
+   
+    ```sql
+    ALTER SYSTEM MODIFY BACKEND "id1" SET ("tag.location" = "group_a");
+    ALTER SYSTEM MODIFY BACKEND "id1" SET ("tag.location" = "group_a", "tag.compute" = "c1");
+    ````
 
 2. Modify the query disable property of BE
 
     ```sql
     ALTER SYSTEM MODIFY BACKEND "host1:heartbeat_port" SET ("disable_query" = "true");
     ````
+   
+    ```sql
+    ALTER SYSTEM MODIFY BACKEND "id1" SET ("disable_query" = "true");
+    ````
 
 3. Modify the import disable property of BE
 
     ```sql
     ALTER SYSTEM MODIFY BACKEND "host1:heartbeat_port" SET ("disable_load" = "true");
     ````
+   
+    ```sql
+    ALTER SYSTEM MODIFY BACKEND "id1" SET ("disable_load" = "true");
+    ````
 
 ### Keywords
 
diff --git a/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DECOMMISSION-BACKEND.md b/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DECOMMISSION-BACKEND.md
index b3b8272afe..170fe29b1b 100644
--- a/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DECOMMISSION-BACKEND.md
+++ b/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DECOMMISSION-BACKEND.md
@@ -36,8 +36,16 @@ ALTER SYSTEM DECOMMISSION BACKEND
 
 语法：
 
+- 通过 host 和 port 查找 backend
+
 ```sql
 ALTER SYSTEM DECOMMISSION BACKEND "host:heartbeat_port"[,"host:heartbeat_port"...];
+```
+
+- 通过 backend_id 查找 backend
+
+```sql
+ALTER SYSTEM DECOMMISSION BACKEND "id1","id2"...;
 ```
 
  说明：
@@ -54,6 +62,10 @@ ALTER SYSTEM DECOMMISSION BACKEND "host:heartbeat_port"[,"host:heartbeat_port"..
      ```sql
       ALTER SYSTEM DECOMMISSION BACKEND "host1:port", "host2:port";
      ```
+   
+    ```sql
+      ALTER SYSTEM DECOMMISSION BACKEND "id1", "id2";
+    ```
 
 ### Keywords
 
diff --git a/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DROP-BACKEND.md b/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DROP-BACKEND.md
index fac97c9e0f..a6af68912f 100644
--- a/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DROP-BACKEND.md
+++ b/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-DROP-BACKEND.md
@@ -36,10 +36,18 @@ ALTER SYSTEM DROP BACKEND
 
 语法：
 
+- 通过 host 和 port 查找 backend
+
 ```sql
 ALTER SYSTEM DROP BACKEND "host:heartbeat_port"[,"host:heartbeat_port"...]
 ```
 
+- 通过 backend_id 查找 backend
+
+```sql
+ALTER SYSTEM DROP BACKEND "id1","id2"...;
+```
+
 说明：
 
 1. host 可以是主机名或者ip地址
@@ -53,6 +61,10 @@ ALTER SYSTEM DROP BACKEND "host:heartbeat_port"[,"host:heartbeat_port"...]
    ```sql
    ALTER SYSTEM DROP BACKEND "host1:port", "host2:port";
    ```
+    
+    ```sql
+    ALTER SYSTEM DROP BACKEND "id1", "id2";
+    ```
 
 ### Keywords
 
diff --git a/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-MODIFY-BACKEND.md b/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-MODIFY-BACKEND.md
index c0b9941e2e..7165c3ec02 100644
--- a/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-MODIFY-BACKEND.md
+++ b/docs/zh-CN/docs/sql-manual/sql-reference/Cluster-Management-Statements/ALTER-SYSTEM-MODIFY-BACKEND.md
@@ -37,10 +37,18 @@ ALTER SYSTEM MKDIFY BACKEND
 
 语法：
 
+- 通过 host 和 port 查找 backend
+
 ```sql
 ALTER SYSTEM MODIFY BACKEND "host:heartbeat_port" SET ("key" = "value"[, ...]);
 ```
 
+- 通过 backend_id 查找 backend
+
+```sql
+ALTER SYSTEM MODIFY BACKEND "id1" SET ("key" = "value"[, ...]);
+````
+
  说明：
 
 1. host 可以是主机名或者ip地址
@@ -63,16 +71,31 @@ ALTER SYSTEM MODIFY BACKEND "host:heartbeat_port" SET ("key" = "value"[, ...]);
    ALTER SYSTEM MODIFY BACKEND "host1:heartbeat_port" SET ("tag.location" = "group_a", "tag.compute" = "c1");
    ```
 
+   ```sql
+   ALTER SYSTEM MODIFY BACKEND "id1" SET ("tag.location" = "group_a");
+   ALTER SYSTEM MODIFY BACKEND "id1" SET ("tag.location" = "group_a", "tag.compute" = "c1");
+   ````
+
 2. 修改 BE 的查询禁用属性
    
    ```sql
    ALTER SYSTEM MODIFY BACKEND "host1:heartbeat_port" SET ("disable_query" = "true");
    ```
+
+    ```sql
+   ALTER SYSTEM MODIFY BACKEND "id1" SET ("disable_query" = "true");
+    ````   
+
 3. 修改 BE 的导入禁用属性
    
    ```sql
    ALTER SYSTEM MODIFY BACKEND "host1:heartbeat_port" SET ("disable_load" = "true");
    ```
+
+    ```sql
+   ALTER SYSTEM MODIFY BACKEND "id1" SET ("disable_load" = "true");
+    ````   
+
 ### Keywords
 
     ALTER, SYSTEM, ADD, BACKEND, ALTER SYSTEM
diff --git a/fe/fe-core/src/main/java/org/apache/doris/alter/Alter.java b/fe/fe-core/src/main/java/org/apache/doris/alter/Alter.java
index e9e28a155c..95c9b46f8b 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/alter/Alter.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/alter/Alter.java
@@ -86,7 +86,7 @@ import com.google.common.collect.Maps;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-import java.util.Arrays;
+import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
@@ -739,7 +739,7 @@ public class Alter {
     }
 
     public void processAlterCluster(AlterSystemStmt stmt) throws UserException {
-        clusterHandler.process(Arrays.asList(stmt.getAlterClause()), stmt.getClusterName(), null, null);
+        clusterHandler.process(Collections.singletonList(stmt.getAlterClause()), stmt.getClusterName(), null, null);
     }
 
     private void processRename(Database db, OlapTable table, List<AlterClause> alterClauses) throws DdlException {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/alter/SystemHandler.java b/fe/fe-core/src/main/java/org/apache/doris/alter/SystemHandler.java
index d4aae2d7dc..fbfbc9cc0e 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/alter/SystemHandler.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/alter/SystemHandler.java
@@ -125,7 +125,13 @@ public class SystemHandler extends AlterHandler {
                         + "All data on this backend will be discarded permanently. "
                         + "If you insist, use DROPP instead of DROP");
             }
-            Env.getCurrentSystemInfo().dropBackends(dropBackendClause.getHostInfos());
+            if (dropBackendClause.getHostInfos().isEmpty()) {
+                // drop by id
+                Env.getCurrentSystemInfo().dropBackendsByIds(dropBackendClause.getIds());
+            } else {
+                // drop by host
+                Env.getCurrentSystemInfo().dropBackends(dropBackendClause.getHostInfos());
+            }
         } else if (alterClause instanceof DecommissionBackendClause) {
             // decommission
             DecommissionBackendClause decommissionBackendClause = (DecommissionBackendClause) alterClause;
@@ -192,6 +198,9 @@ public class SystemHandler extends AlterHandler {
 
     private List<Backend> checkDecommission(DecommissionBackendClause decommissionBackendClause)
             throws DdlException {
+        if (decommissionBackendClause.getHostInfos().isEmpty()) {
+            return checkDecommissionByIds(decommissionBackendClause.getIds());
+        }
         return checkDecommission(decommissionBackendClause.getHostInfos());
     }
 
@@ -226,6 +235,29 @@ public class SystemHandler extends AlterHandler {
         return decommissionBackends;
     }
 
+    public static List<Backend> checkDecommissionByIds(List<String> ids)
+            throws DdlException {
+        SystemInfoService infoService = Env.getCurrentSystemInfo();
+        List<Backend> decommissionBackends = Lists.newArrayList();
+        // check if exist
+        for (String id : ids) {
+            Backend backend = infoService.getBackend(Long.parseLong(id));
+            if (backend == null) {
+                throw new DdlException("Backend does not exist, backend id is " + id);
+            }
+            if (backend.isDecommissioned()) {
+                // already under decommission, ignore it
+                continue;
+            }
+            decommissionBackends.add(backend);
+        }
+
+        // TODO(cmy): check if replication num can be met
+        // TODO(cmy): check remaining space
+
+        return decommissionBackends;
+    }
+
     @Override
     public synchronized void cancel(CancelStmt stmt) throws DdlException {
         CancelAlterSystemStmt cancelAlterSystemStmt = (CancelAlterSystemStmt) stmt;
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/AddBackendClause.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/AddBackendClause.java
index a3f57d700d..57c3124d5f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/AddBackendClause.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/AddBackendClause.java
@@ -23,12 +23,14 @@ import org.apache.doris.common.util.PropertyAnalyzer;
 import org.apache.doris.resource.Tag;
 
 import com.google.common.collect.Maps;
+import lombok.Getter;
 
 import java.util.List;
 import java.util.Map;
 
 public class AddBackendClause extends BackendClause {
     protected Map<String, String> properties = Maps.newHashMap();
+    @Getter
     private Map<String, String> tagMap;
 
     public AddBackendClause(List<String> hostPorts) {
@@ -43,10 +45,6 @@ public class AddBackendClause extends BackendClause {
         }
     }
 
-    public Map<String, String> getTagMap() {
-        return tagMap;
-    }
-
     @Override
     public void analyze(Analyzer analyzer) throws AnalysisException {
         super.analyze(analyzer);
@@ -69,9 +67,9 @@ public class AddBackendClause extends BackendClause {
         StringBuilder sb = new StringBuilder();
         sb.append("ADD ");
         sb.append("BACKEND ");
-        for (int i = 0; i < hostPorts.size(); i++) {
-            sb.append("\"").append(hostPorts.get(i)).append("\"");
-            if (i != hostPorts.size() - 1) {
+        for (int i = 0; i < params.size(); i++) {
+            sb.append("\"").append(params.get(i)).append("\"");
+            if (i != params.size() - 1) {
                 sb.append(", ");
             }
         }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/AlterSystemStmt.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/AlterSystemStmt.java
index cfea3d6687..a64c117110 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/AlterSystemStmt.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/AlterSystemStmt.java
@@ -25,19 +25,17 @@ import org.apache.doris.mysql.privilege.PrivPredicate;
 import org.apache.doris.qe.ConnectContext;
 
 import com.google.common.base.Preconditions;
+import lombok.Getter;
 
+@Getter
 public class AlterSystemStmt extends DdlStmt {
 
-    private AlterClause alterClause;
+    private final AlterClause alterClause;
 
     public AlterSystemStmt(AlterClause alterClause) {
         this.alterClause = alterClause;
     }
 
-    public AlterClause getAlterClause() {
-        return alterClause;
-    }
-
     @Override
     public void analyze(Analyzer analyzer) throws UserException {
 
@@ -65,9 +63,7 @@ public class AlterSystemStmt extends DdlStmt {
 
     @Override
     public String toSql() {
-        StringBuilder sb = new StringBuilder();
-        sb.append("ALTER SYSTEM ").append(alterClause.toSql());
-        return sb.toString();
+        return "ALTER SYSTEM " + alterClause.toSql();
     }
 
     @Override
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/BackendClause.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/BackendClause.java
index c9f0eb320b..8a8204500e 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/BackendClause.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/BackendClause.java
@@ -24,37 +24,46 @@ import org.apache.doris.system.SystemInfoService.HostInfo;
 
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Lists;
+import lombok.Getter;
 import org.apache.commons.lang3.NotImplementedException;
 
 import java.util.List;
 import java.util.Map;
 
 public class BackendClause extends AlterClause {
-    protected List<String> hostPorts;
+    protected List<String> params;
+    @Getter
     protected List<HostInfo> hostInfos;
 
+    @Getter
+    protected List<String> ids;
+
     public static final String MUTLI_TAG_DISABLED_MSG = "Not support multi tags for Backend now. "
             + "You can set 'enable_multi_tags=true' in fe.conf to enable this feature.";
     public static final String NEED_LOCATION_TAG_MSG
             = "Backend must have location type tag. Eg: 'tag.location' = 'xxx'.";
 
-    protected BackendClause(List<String> hostPorts) {
+    protected BackendClause(List<String> params) {
         super(AlterOpType.ALTER_OTHER);
-        this.hostPorts = hostPorts;
+        this.params = params;
+        this.ids = Lists.newArrayList();
         this.hostInfos = Lists.newArrayList();
     }
 
-    public List<HostInfo> getHostInfos() {
-        return hostInfos;
-    }
-
     @Override
     public void analyze(Analyzer analyzer) throws AnalysisException {
-        for (String hostPort : hostPorts) {
-            HostInfo hostInfo = SystemInfoService.getHostAndPort(hostPort);
-            hostInfos.add(hostInfo);
+
+        for (String param : params) {
+            if (!param.contains(":")) {
+                ids.add(param);
+            } else {
+                HostInfo hostInfo = SystemInfoService.getHostAndPort(param);
+                this.hostInfos.add(hostInfo);
+            }
+
         }
-        Preconditions.checkState(!hostInfos.isEmpty());
+        Preconditions.checkState(!this.hostInfos.isEmpty() || !this.ids.isEmpty(),
+                "hostInfos or ids can not be empty");
     }
 
     @Override
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/DecommissionBackendClause.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/DecommissionBackendClause.java
index ba629bb0d5..76ba614876 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/DecommissionBackendClause.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/DecommissionBackendClause.java
@@ -29,9 +29,9 @@ public class DecommissionBackendClause extends BackendClause {
     public String toSql() {
         StringBuilder sb = new StringBuilder();
         sb.append("DECOMMISSION BACKEND ");
-        for (int i = 0; i < hostPorts.size(); i++) {
-            sb.append("\"").append(hostPorts.get(i)).append("\"");
-            if (i != hostPorts.size() - 1) {
+        for (int i = 0; i < params.size(); i++) {
+            sb.append("\"").append(params.get(i)).append("\"");
+            if (i != params.size() - 1) {
                 sb.append(", ");
             }
         }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/DropBackendClause.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/DropBackendClause.java
index a54a4aacae..34fb36afb4 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/DropBackendClause.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/DropBackendClause.java
@@ -17,52 +17,31 @@
 
 package org.apache.doris.analysis;
 
-import org.apache.doris.common.AnalysisException;
-import org.apache.doris.common.Config;
-import org.apache.doris.system.SystemInfoService;
-import org.apache.doris.system.SystemInfoService.HostInfo;
-
-import com.google.common.base.Preconditions;
+import lombok.Getter;
 
 import java.util.List;
 
+@Getter
 public class DropBackendClause extends BackendClause {
-    private boolean force;
+    private final boolean force;
 
-    public DropBackendClause(List<String> hostPorts) {
-        super(hostPorts);
+    public DropBackendClause(List<String> params) {
+        super(params);
         this.force = true;
     }
 
-    public DropBackendClause(List<String> hostPorts, boolean force) {
-        super(hostPorts);
+    public DropBackendClause(List<String> params, boolean force) {
+        super(params);
         this.force = force;
     }
 
-    public boolean isForce() {
-        return force;
-    }
-
-    @Override
-    public void analyze(Analyzer analyzer) throws AnalysisException {
-        if (Config.enable_fqdn_mode) {
-            for (String hostPort : hostPorts) {
-                HostInfo hostInfo = SystemInfoService.getHostAndPort(hostPort);
-                hostInfos.add(hostInfo);
-            }
-            Preconditions.checkState(!hostInfos.isEmpty());
-        } else {
-            super.analyze(analyzer);
-        }
-    }
-
     @Override
     public String toSql() {
         StringBuilder sb = new StringBuilder();
         sb.append("DROP BACKEND ");
-        for (int i = 0; i < hostPorts.size(); i++) {
-            sb.append("\"").append(hostPorts.get(i)).append("\"");
-            if (i != hostPorts.size() - 1) {
+        for (int i = 0; i < params.size(); i++) {
+            sb.append("\"").append(params.get(i)).append("\"");
+            if (i != params.size() - 1) {
                 sb.append(", ");
             }
         }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/ModifyBackendClause.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/ModifyBackendClause.java
index 5b8bd151fd..a8e9b9a0b2 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/ModifyBackendClause.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/ModifyBackendClause.java
@@ -23,14 +23,16 @@ import org.apache.doris.common.util.PropertyAnalyzer;
 import org.apache.doris.resource.Tag;
 
 import com.google.common.collect.Maps;
+import lombok.Getter;
 import org.apache.commons.lang3.StringUtils;
 
 import java.util.List;
 import java.util.Map;
 
 public class ModifyBackendClause extends BackendClause {
-    protected Map<String, String> properties = Maps.newHashMap();
+    protected Map<String, String> properties;
     protected Map<String, String> analyzedProperties = Maps.newHashMap();
+    @Getter
     private Map<String, String> tagMap = null;
     private Boolean isQueryDisabled = null;
     private Boolean isLoadDisabled = null;
@@ -74,10 +76,6 @@ public class ModifyBackendClause extends BackendClause {
         }
     }
 
-    public Map<String, String> getTagMap() {
-        return tagMap;
-    }
-
     public Boolean isQueryDisabled() {
         return isQueryDisabled;
     }
@@ -90,9 +88,9 @@ public class ModifyBackendClause extends BackendClause {
     public String toSql() {
         StringBuilder sb = new StringBuilder();
         sb.append("MODIFY BACKEND ");
-        for (int i = 0; i < hostPorts.size(); i++) {
-            sb.append("\"").append(hostPorts.get(i)).append("\"");
-            if (i != hostPorts.size() - 1) {
+        for (int i = 0; i < params.size(); i++) {
+            sb.append("\"").append(params.get(i)).append("\"");
+            if (i != params.size() - 1) {
                 sb.append(", ");
             }
         }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/system/SystemInfoService.java b/fe/fe-core/src/main/java/org/apache/doris/system/SystemInfoService.java
index 07a54759f0..666e89b392 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/system/SystemInfoService.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/system/SystemInfoService.java
@@ -235,12 +235,21 @@ public class SystemInfoService {
                         .getHostPortInAccessibleFormat(hostInfo.getHost(), hostInfo.getPort());
                 throw new DdlException("backend does not exists[" + backendIdentifier + "]");
             }
-        }
-        for (HostInfo hostInfo : hostInfos) {
             dropBackend(hostInfo.getHost(), hostInfo.getPort());
         }
     }
 
+    public void dropBackendsByIds(List<String> ids) throws DdlException {
+
+        for (String id : ids) {
+            if (getBackend(Long.parseLong(id)) == null) {
+                throw new DdlException("backend does not exists[" + id + "]");
+            }
+            dropBackend(Long.parseLong(id));
+        }
+
+    }
+
     // for decommission
     public void dropBackend(long backendId) throws DdlException {
         Backend backend = getBackend(backendId);
@@ -896,14 +905,26 @@ public class SystemInfoService {
     public void modifyBackends(ModifyBackendClause alterClause) throws UserException {
         List<HostInfo> hostInfos = alterClause.getHostInfos();
         List<Backend> backends = Lists.newArrayList();
-        for (HostInfo hostInfo : hostInfos) {
-            Backend be = getBackendWithHeartbeatPort(hostInfo.getHost(), hostInfo.getPort());
-            if (be == null) {
-                throw new DdlException(
-                        "backend does not exists[" + NetUtils
-                                .getHostPortInAccessibleFormat(hostInfo.getHost(), hostInfo.getPort()) + "]");
+        if (hostInfos.isEmpty()) {
+            List<String> ids = alterClause.getIds();
+            for (String id : ids) {
+                long backendId = Long.parseLong(id);
+                Backend be = getBackend(backendId);
+                if (be == null) {
+                    throw new DdlException("backend does not exists[" + backendId + "]");
+                }
+                backends.add(be);
+            }
+        } else {
+            for (HostInfo hostInfo : hostInfos) {
+                Backend be = getBackendWithHeartbeatPort(hostInfo.getHost(), hostInfo.getPort());
+                if (be == null) {
+                    throw new DdlException(
+                            "backend does not exists[" + NetUtils
+                                    .getHostPortInAccessibleFormat(hostInfo.getHost(), hostInfo.getPort()) + "]");
+                }
+                backends.add(be);
             }
-            backends.add(be);
         }
 
         for (Backend be : backends) {
diff --git a/fe/fe-core/src/test/java/org/apache/doris/cluster/DecommissionBackendTest.java b/fe/fe-core/src/test/java/org/apache/doris/cluster/DecommissionBackendTest.java
index 568b886c35..17af00a654 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/cluster/DecommissionBackendTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/cluster/DecommissionBackendTest.java
@@ -35,7 +35,7 @@ import java.util.List;
 public class DecommissionBackendTest extends TestWithFeService {
     @Override
     protected int backendNum() {
-        return 3;
+        return 4;
     }
 
     @Override
@@ -78,18 +78,18 @@ public class DecommissionBackendTest extends TestWithFeService {
         // 5. execute decommission
         Backend srcBackend = null;
         for (Backend backend : idToBackendRef.values()) {
-            if (Env.getCurrentInvertedIndex().getTabletIdsByBackendId(backend.getId()).size() > 0) {
+            if (!Env.getCurrentInvertedIndex().getTabletIdsByBackendId(backend.getId()).isEmpty()) {
                 srcBackend = backend;
                 break;
             }
         }
 
-        Assertions.assertTrue(srcBackend != null);
+        Assertions.assertNotNull(srcBackend);
         String decommissionStmtStr = "alter system decommission backend \"127.0.0.1:" + srcBackend.getHeartbeatPort() + "\"";
         AlterSystemStmt decommissionStmt = (AlterSystemStmt) parseAndAnalyzeStmt(decommissionStmtStr);
         Env.getCurrentEnv().getAlterInstance().processAlterCluster(decommissionStmt);
 
-        Assertions.assertEquals(true, srcBackend.isDecommissioned());
+        Assertions.assertTrue(srcBackend.isDecommissioned());
         long startTimestamp = System.currentTimeMillis();
         while (System.currentTimeMillis() - startTimestamp < 90000
             && Env.getCurrentSystemInfo().getIdToBackend().containsKey(srcBackend.getId())) {
@@ -110,6 +110,34 @@ public class DecommissionBackendTest extends TestWithFeService {
 
     }
 
+    @Test
+    public void testDecommissionBackendById() throws Exception {
+
+        ImmutableMap<Long, Backend> idToBackendRef = Env.getCurrentSystemInfo().getIdToBackend();
+        Backend srcBackend = idToBackendRef.values().asList().get(0);
+        Assertions.assertNotNull(srcBackend);
+        // decommission backend by id
+        String decommissionByIdStmtStr = "alter system decommission backend \"" + srcBackend.getId() + "\"";
+        AlterSystemStmt decommissionByIdStmt = (AlterSystemStmt) parseAndAnalyzeStmt(decommissionByIdStmtStr);
+        Env.getCurrentEnv().getAlterInstance().processAlterCluster(decommissionByIdStmt);
+
+        Assertions.assertTrue(srcBackend.isDecommissioned());
+        long startTimestamp = System.currentTimeMillis();
+        while (System.currentTimeMillis() - startTimestamp < 90000
+                && Env.getCurrentSystemInfo().getIdToBackend().containsKey(srcBackend.getId())) {
+            Thread.sleep(1000);
+        }
+
+        Assertions.assertEquals(backendNum() - 1, Env.getCurrentSystemInfo().getIdToBackend().size());
+
+        // add backend
+        String addBackendStmtStr = "alter system add backend \"127.0.0.1:" + srcBackend.getHeartbeatPort() + "\"";
+        AlterSystemStmt addBackendStmt = (AlterSystemStmt) parseAndAnalyzeStmt(addBackendStmtStr);
+        Env.getCurrentEnv().getAlterInstance().processAlterCluster(addBackendStmt);
+        Assertions.assertEquals(backendNum(), Env.getCurrentSystemInfo().getIdToBackend().size());
+
+    }
+
     @Test
     public void testDecommissionBackendWithDropTable() throws Exception {
         // 1. create connect context
@@ -132,12 +160,12 @@ public class DecommissionBackendTest extends TestWithFeService {
 
         Backend srcBackend = null;
         for (Backend backend : idToBackendRef.values()) {
-            if (Env.getCurrentInvertedIndex().getTabletIdsByBackendId(backend.getId()).size() > 0) {
+            if (!Env.getCurrentInvertedIndex().getTabletIdsByBackendId(backend.getId()).isEmpty()) {
                 srcBackend = backend;
                 break;
             }
         }
-        Assertions.assertTrue(srcBackend != null);
+        Assertions.assertNotNull(srcBackend);
 
         // 5. drop table tbl1
         dropTable("db2.tbl1", false);
@@ -146,7 +174,7 @@ public class DecommissionBackendTest extends TestWithFeService {
         String decommissionStmtStr = "alter system decommission backend \"127.0.0.1:" + srcBackend.getHeartbeatPort() + "\"";
         AlterSystemStmt decommissionStmt = (AlterSystemStmt) parseAndAnalyzeStmt(decommissionStmtStr);
         Env.getCurrentEnv().getAlterInstance().processAlterCluster(decommissionStmt);
-        Assertions.assertEquals(true, srcBackend.isDecommissioned());
+        Assertions.assertTrue(srcBackend.isDecommissioned());
 
         long startTimestamp = System.currentTimeMillis();
         while (System.currentTimeMillis() - startTimestamp < 90000
@@ -163,7 +191,7 @@ public class DecommissionBackendTest extends TestWithFeService {
 
         // TabletInvertedIndex still holds these tablets of srcBackend, but they are all in recycled status
         List<Long> tabletList = Env.getCurrentInvertedIndex().getTabletIdsByBackendId(srcBackend.getId());
-        Assertions.assertTrue(tabletList.size() > 0);
+        Assertions.assertFalse(tabletList.isEmpty());
         Assertions.assertTrue(Env.getCurrentRecycleBin().allTabletsInRecycledStatus(tabletList));
 
         // recover tbl1, because tbl1 has more than one replica, so it still can be recovered
@@ -176,4 +204,6 @@ public class DecommissionBackendTest extends TestWithFeService {
         Assertions.assertEquals(backendNum(), Env.getCurrentSystemInfo().getIdToBackend().size());
     }
 
+
+
 }
diff --git a/fe/fe-core/src/test/java/org/apache/doris/cluster/SystemInfoServiceTest.java b/fe/fe-core/src/test/java/org/apache/doris/cluster/SystemInfoServiceTest.java
index 3721b8e1e7..40c207631e 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/cluster/SystemInfoServiceTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/cluster/SystemInfoServiceTest.java
@@ -264,6 +264,33 @@ public class SystemInfoServiceTest {
         }
     }
 
+    @Test
+    public void removeBackendTestByBackendId() throws UserException {
+        clearAllBackend();
+        AddBackendClause stmt = new AddBackendClause(Lists.newArrayList("192.168.0.1:1234"));
+        stmt.analyze(analyzer);
+        try {
+            Env.getCurrentSystemInfo().addBackends(stmt.getHostInfos(), true);
+        } catch (DdlException e) {
+            e.printStackTrace();
+        }
+
+        DropBackendClause dropStmt = new DropBackendClause(Lists.newArrayList(String.valueOf(backendId)));
+        dropStmt.analyze(analyzer);
+        try {
+            Env.getCurrentSystemInfo().dropBackends(dropStmt.getHostInfos());
+        } catch (DdlException e) {
+            e.printStackTrace();
+            Assert.fail();
+        }
+
+        try {
+            Env.getCurrentSystemInfo().dropBackends(dropStmt.getHostInfos());
+        } catch (DdlException e) {
+            Assert.assertTrue(e.getMessage().contains("does not exist"));
+        }
+    }
+
     @Test
     public void testSaveLoadBackend() throws Exception {
         clearAllBackend();