diff --git a/docs/.vuepress/sidebar/en.js b/docs/.vuepress/sidebar/en.js
index 6053ae479d..868958b5d6 100644
--- a/docs/.vuepress/sidebar/en.js
+++ b/docs/.vuepress/sidebar/en.js
@@ -435,6 +435,16 @@ module.exports = [
               "orthogonal_bitmap_union_count",
             ],
           },
+          {
+            title: "bitwise function",
+            directoryPath: "bitwise-functions/",
+            children: [
+              "bitand",
+              "bitor",
+              "bitxor",
+              "bitnot"
+            ],
+          },
           {
             title: "Encryption and Digest Functions",
             directoryPath: "encrypt-digest-functions/",
diff --git a/docs/.vuepress/sidebar/zh-CN.js b/docs/.vuepress/sidebar/zh-CN.js
index ccbf8cbd23..1f173eb08f 100644
--- a/docs/.vuepress/sidebar/zh-CN.js
+++ b/docs/.vuepress/sidebar/zh-CN.js
@@ -439,6 +439,16 @@ module.exports = [
               "orthogonal_bitmap_union_count",
             ],
           },
+          {
+            title: "bitwise函数",
+            directoryPath: "bitwise-functions/",
+            children: [
+              "bitand",
+              "bitor",
+              "bitxor",
+              "bitnot"
+            ],
+          },
           {
             title: "Hash函数",
             directoryPath: "hash-functions/",
diff --git a/docs/en/sql-reference/sql-functions/bitwise-functions/bitand.md b/docs/en/sql-reference/sql-functions/bitwise-functions/bitand.md
new file mode 100644
index 0000000000..07eae1e8f7
--- /dev/null
+++ b/docs/en/sql-reference/sql-functions/bitwise-functions/bitand.md
@@ -0,0 +1,57 @@
+---
+{
+"title": "bitand",
+"language": "en"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# bitand
+## description
+### Syntax
+
+`BITAND(Integer-type lhs, Integer-type rhs)`
+
+Returns the result of the AND operation of two integers.
+
+Integer range: TINYINT、SMALLINT、INT、BIGINT、LARGEINT
+
+## example
+
+```
+mysql> select bitand(3,5) ans;
++------+
+| ans  |
++------+
+|    1 |
++------+
+
+mysql> select bitand(4,7) ans;
++------+
+| ans  |
++------+
+|    4 |
++------+
+```
+
+## keyword
+
+    BITAND
diff --git a/docs/en/sql-reference/sql-functions/bitwise-functions/bitnot.md b/docs/en/sql-reference/sql-functions/bitwise-functions/bitnot.md
new file mode 100644
index 0000000000..458011aa18
--- /dev/null
+++ b/docs/en/sql-reference/sql-functions/bitwise-functions/bitnot.md
@@ -0,0 +1,57 @@
+---
+{
+"title": "bitnot",
+"language": "en"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# bitnot
+## description
+### Syntax
+
+`BITNOT(Integer-type value)`
+
+Returns the result of the NOT operation of one integer.
+
+Integer range: TINYINT、SMALLINT、INT、BIGINT、LARGEINT
+
+## example
+
+```
+mysql> select bitnot(7) ans;
++------+
+| ans  |
++------+
+|   -8 |
++------+
+
+mysql> select bitxor(-127) ans;
++------+
+| ans  |
++------+
+|  126 |
++------+
+```
+
+## keyword
+
+    BITNOT
diff --git a/docs/en/sql-reference/sql-functions/bitwise-functions/bitor.md b/docs/en/sql-reference/sql-functions/bitwise-functions/bitor.md
new file mode 100644
index 0000000000..8c2d1c6383
--- /dev/null
+++ b/docs/en/sql-reference/sql-functions/bitwise-functions/bitor.md
@@ -0,0 +1,57 @@
+---
+{
+"title": "bitor",
+"language": "en"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# bitor
+## description
+### Syntax
+
+`BITOR(Integer-type lhs, Integer-type rhs)`
+
+Returns the result of the OR operation of two integers.
+
+Integer range: TINYINT、SMALLINT、INT、BIGINT、LARGEINT
+
+## example
+
+```
+mysql> select bitor(3,5) ans;
++------+
+| ans  |
++------+
+|    7 |
++------+
+
+mysql> select bitand(4,7) ans;
++------+
+| ans  |
++------+
+|    7 |
++------+
+```
+
+## keyword
+
+    BITOR
diff --git a/docs/en/sql-reference/sql-functions/bitwise-functions/bitxor.md b/docs/en/sql-reference/sql-functions/bitwise-functions/bitxor.md
new file mode 100644
index 0000000000..849db173d6
--- /dev/null
+++ b/docs/en/sql-reference/sql-functions/bitwise-functions/bitxor.md
@@ -0,0 +1,57 @@
+---
+{
+"title": "bitxor",
+"language": "en"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# bitxor
+## description
+### Syntax
+
+`BITXOR(Integer-type lhs, Integer-type rhs)`
+
+Returns the result of the XOR operation of two integers.
+
+Integer range: TINYINT、SMALLINT、INT、BIGINT、LARGEINT
+
+## example
+
+```
+mysql> select bitxor(3,5) ans;
++------+
+| ans  |
++------+
+|    7 |
++------+
+
+mysql> select bitxor(1,7) ans;
++------+
+| ans  |
++------+
+|    6 |
++------+
+```
+
+## keyword
+
+    BITXOR
diff --git a/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitand.md b/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitand.md
new file mode 100644
index 0000000000..c788381183
--- /dev/null
+++ b/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitand.md
@@ -0,0 +1,57 @@
+---
+{
+"title": "bitand",
+"language": "zh-CN"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# bitand
+## description
+### Syntax
+
+`BITAND(Integer-type lhs, Integer-type rhs)`
+
+返回两个整数与运算的结果.
+
+整数范围：TINYINT、SMALLINT、INT、BIGINT、LARGEINT
+
+## example
+
+```
+mysql> select bitand(3,5) ans;
++------+
+| ans  |
++------+
+|    1 |
++------+
+
+mysql> select bitand(4,7) ans;
++------+
+| ans  |
++------+
+|    4 |
++------+
+```
+
+## keyword
+
+    BITAND
diff --git a/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitnot.md b/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitnot.md
new file mode 100644
index 0000000000..8ad7911898
--- /dev/null
+++ b/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitnot.md
@@ -0,0 +1,57 @@
+---
+{
+"title": "bitnot",
+"language": "zh-CN"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# bitnot
+## description
+### Syntax
+
+`BITNOT(Integer-type value)`
+
+返回一个整数取反运算的结果.
+
+整数范围：TINYINT、SMALLINT、INT、BIGINT、LARGEINT
+
+## example
+
+```
+mysql> select bitnot(7) ans;
++------+
+| ans  |
++------+
+|   -8 |
++------+
+
+mysql> select bitxor(-127) ans;
++------+
+| ans  |
++------+
+|  126 |
++------+
+```
+
+## keyword
+
+    BITNOT
diff --git a/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitor.md b/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitor.md
new file mode 100644
index 0000000000..c8fb159eb5
--- /dev/null
+++ b/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitor.md
@@ -0,0 +1,57 @@
+---
+{
+"title": "bitor",
+"language": "zh-CN"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# bitor
+## description
+### Syntax
+
+`BITOR(Integer-type lhs, Integer-type rhs)`
+
+返回两个整数或运算的结果.
+
+整数范围：TINYINT、SMALLINT、INT、BIGINT、LARGEINT
+
+## example
+
+```
+mysql> select bitor(3,5) ans;
++------+
+| ans  |
++------+
+|    7 |
++------+
+
+mysql> select bitand(4,7) ans;
++------+
+| ans  |
++------+
+|    7 |
++------+
+```
+
+## keyword
+
+    BITOR
diff --git a/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitxor.md b/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitxor.md
new file mode 100644
index 0000000000..e3f4655eaa
--- /dev/null
+++ b/docs/zh-CN/sql-reference/sql-functions/bitwise-functions/bitxor.md
@@ -0,0 +1,57 @@
+---
+{
+"title": "bitxor",
+"language": "zh-CN"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# bitxor
+## description
+### Syntax
+
+`BITXOR(Integer-type lhs, Integer-type rhs)`
+
+返回两个整数异或运算的结果.
+
+整数范围：TINYINT、SMALLINT、INT、BIGINT、LARGEINT
+
+## example
+
+```
+mysql> select bitxor(3,5) ans;
++------+
+| ans  |
++------+
+|    7 |
++------+
+
+mysql> select bitxor(1,7) ans;
++------+
+| ans  |
++------+
+|    6 |
++------+
+```
+
+## keyword
+
+    BITXOR