diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
index 777c57c1fd..5609ba01c2 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
@@ -171,6 +171,8 @@ public class SessionVariable implements Serializable, Writable {
 
     public static final long DEFAULT_INSERT_VISIBLE_TIMEOUT_MS = 10_000;
 
+    public static final String ENABLE_VECTORIZED_ENGINE = "enable_vectorized_engine";
+
     public static final String EXTRACT_WIDE_RANGE_EXPR = "extract_wide_range_expr";
 
     // If user set a very small value, use this value instead.
@@ -532,6 +534,8 @@ public class SessionVariable implements Serializable, Writable {
     @VariableMgr.VarAttr(name = EXTRACT_WIDE_RANGE_EXPR, needForward = true)
     public boolean extractWideRangeExpr = true;
 
+    @VariableMgr.VarAttr(name = ENABLE_VECTORIZED_ENGINE, expType = ExperimentalType.EXPERIMENTAL_ONLINE)
+    public boolean enableVectorizedEngine = true;
 
     @VariableMgr.VarAttr(name = ENABLE_PIPELINE_ENGINE, fuzzy = true, expType = ExperimentalType.EXPERIMENTAL)
     public boolean enablePipelineEngine = false;