diff --git a/docs/en/12-taos-sql/06-select.md b/docs/en/12-taos-sql/06-select.md
index 7ef47f2131..d38fc86975 100755
--- a/docs/en/12-taos-sql/06-select.md
+++ b/docs/en/12-taos-sql/06-select.md
@@ -9,7 +9,7 @@ description: This document describes how to query data in TDengine.
 ```sql
 SELECT {DATABASE() | CLIENT_VERSION() | SERVER_VERSION() | SERVER_STATUS() | NOW() | TODAY() | TIMEZONE() | CURRENT_USER() | USER() }
 
-SELECT [hints] [DISTINCT] [TAGS] select_list
+SELECT [hints] [DISTINCT] select_list
     from_clause
     [WHERE condition]
     [partition_by_clause]
@@ -225,14 +225,6 @@ The \_IROWTS pseudocolumn can only be used with INTERP function. This pseudocolu
 select _irowts, interp(current) from meters range('2020-01-01 10:00:00', '2020-01-01 10:30:00') every(1s) fill(linear);
 ```
 
-### TAGS Query
-
-The TAGS keyword returns only tag columns from all child tables when only tag columns are specified. One row containing tag columns is returned for each child table.
-
-```sql
-SELECT TAGS tag_name [, tag_name ...] FROM stb_name
-```
-
 ## Query Objects
 
 `FROM` can be followed by a number of tables or super tables, or can be followed by a sub-query.
diff --git a/docs/zh/12-taos-sql/06-select.md b/docs/zh/12-taos-sql/06-select.md
index 222e166019..6d32d86f83 100755
--- a/docs/zh/12-taos-sql/06-select.md
+++ b/docs/zh/12-taos-sql/06-select.md
@@ -9,7 +9,7 @@ description: 查询数据的详细语法
 ```sql
 SELECT {DATABASE() | CLIENT_VERSION() | SERVER_VERSION() | SERVER_STATUS() | NOW() | TODAY() | TIMEZONE() | CURRENT_USER() | USER() }
 
-SELECT [hints] [DISTINCT] [TAGS] select_list
+SELECT [hints] [DISTINCT] select_list
     from_clause
     [WHERE condition]
     [partition_by_clause]
@@ -160,16 +160,6 @@ SELECT DISTINCT col_name [, col_name ...] FROM tb_name;
 
 :::
 
-### 标签查询
-
-当查询的列只有标签列时，`TAGS` 关键字可以指定返回所有子表的标签列。每个子表只返回一行标签列。
-
-返回所有子表的标签列：
-
-```sql
-SELECT TAGS tag_name [, tag_name ...] FROM stb_name
-``` 
-
 ### 结果集列名
 
 `SELECT`子句中，如果不指定返回结果集合的列名，结果集列名称默认使用`SELECT`子句中的表达式名称作为列名称。此外，用户可使用`AS`来重命名返回结果集合中列的名称。例如：