diff --git a/functions-and-operators/encryption-and-compression-functions.md b/functions-and-operators/encryption-and-compression-functions.md
index 06ac2b27071a..4b822da7b863 100644
--- a/functions-and-operators/encryption-and-compression-functions.md
+++ b/functions-and-operators/encryption-and-compression-functions.md
@@ -16,7 +16,6 @@ TiDB 支持使用 MySQL 8.0 中提供的大部分[加密和压缩函数](https:/
 | [`AES_ENCRYPT()`](#aes_encrypt)                               | 使用 AES 加密         |
 | [`COMPRESS()`](#compress)                                     | 返回压缩后的二进制字符串      |
 | [`MD5()`](#md5)                                               | 计算字符串的 MD5 校验和    |
-| [`PASSWORD()`](#password)                                     | 计算并返回密码字符串        |
 | [`RANDOM_BYTES()`](#random_bytes)                             | 返回随机字节向量          |
 | [`SHA()`](#sha)                                               | 计算 SHA-1 160 位校验和 |
 | [`SHA1()`](#sha1)                                             | 计算 SHA-1 160 位校验和 |
@@ -139,29 +138,6 @@ SELECT MD5('abc');
 1 row in set (0.00 sec)
 ```
 
-### [`PASSWORD()`](https://dev.mysql.com/doc/refman/5.7/en/encryption-functions.html#function_password)
-
-> **警告：**
->
-> `PASSWORD()` 函数在 MySQL 5.7 中已弃用，在 MySQL 8.0 中已删除，在 TiDB 中也已弃用。不建议使用此函数。
-
-`PASSWORD(str)` 函数计算可用于 `mysql_native_password` 认证方法的密码哈希。
-
-```sql
-SELECT PASSWORD('secret');
-```
-
-```
-+-------------------------------------------+
-| PASSWORD('secret')                        |
-+-------------------------------------------+
-| *14E65567ABDB5135D0CFD9A70B3032C179A49EE7 |
-+-------------------------------------------+
-1 row in set, 1 warning (0.00 sec)
-
-Warning (Code 1681): PASSWORD is deprecated and will be removed in a future release.
-```
-
 ### [`RANDOM_BYTES()`](https://dev.mysql.com/doc/refman/8.0/en/encryption-functions.html#function_random-bytes)
 
 `RANDOM_BYTES(n)` 函数返回 `n` 个随机字节。
diff --git a/sql-statements/sql-statement-set-password.md b/sql-statements/sql-statement-set-password.md
index 8613eb3d1337..49ea15444d7e 100644
--- a/sql-statements/sql-statement-set-password.md
+++ b/sql-statements/sql-statement-set-password.md
@@ -8,17 +8,23 @@ aliases: ['/docs-cn/dev/sql-statements/sql-statement-set-password/','/docs-cn/de
 
 `SET PASSWORD` 语句用于更改 TiDB 系统数据库中的用户密码。
 
+> **注意：**
+>
+> 建议使用 [`ALTER USER`](/sql-statements/sql-statement-alter-user.md) 语句更改密码，如下所示：
+>
+> ```sql
+> ALTER USER myuser IDENTIFIED BY 'mypassword';
+> ```
+
 ## 语法图
 
 ```ebnf+diagram
 SetPasswordStmt ::=
-    "SET" "PASSWORD" ( "FOR" Username )? "=" ( stringLit | "PASSWORD" "(" stringLit ")" )
+    "SET" "PASSWORD" ( "FOR" Username )? "=" stringLit
 ```
 
 ## 示例
 
-{{< copyable "sql" >}}
-
 ```sql
 SET PASSWORD='test';
 ```
@@ -27,8 +33,6 @@ SET PASSWORD='test';
 Query OK, 0 rows affected (0.01 sec)
 ```
 
-{{< copyable "sql" >}}
-
 ```sql
 CREATE USER 'newuser' IDENTIFIED BY 'test';
 ```
@@ -37,8 +41,6 @@ CREATE USER 'newuser' IDENTIFIED BY 'test';
 Query OK, 1 row affected (0.00 sec)
 ```
 
-{{< copyable "sql" >}}
-
 ```sql
 SHOW CREATE USER 'newuser';
 ```
@@ -52,8 +54,6 @@ SHOW CREATE USER 'newuser';
 1 row in set (0.00 sec)
 ```
 
-{{< copyable "sql" >}}
-
 ```sql
 SET PASSWORD FOR 'newuser' = 'test';
 ```
@@ -62,35 +62,6 @@ SET PASSWORD FOR 'newuser' = 'test';
 Query OK, 0 rows affected (0.01 sec)
 ```
 
-{{< copyable "sql" >}}
-
-```sql
-SHOW CREATE USER 'newuser';
-```
-
-```
-+----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| CREATE USER for newuser@%                                                                                                                                            |
-+----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| CREATE USER 'newuser'@'%' IDENTIFIED WITH 'mysql_native_password' AS '*94BDCEBE19083CE2A1F959FD02F964C7AF4CFC29' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK |
-+----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-1 row in set (0.00 sec)
-```
-
-{{< copyable "sql" >}}
-
-```sql
-SET PASSWORD FOR 'newuser' = PASSWORD('test');
-```
-
-上述语法是早期 MySQL 版本的过时语法。
-
-```
-Query OK, 0 rows affected (0.00 sec)
-```
-
-{{< copyable "sql" >}}
-
 ```sql
 SHOW CREATE USER 'newuser';
 ```