diff --git a/docs/mysql/insert.md b/docs/mysql/insert.md
index 253cfe4..7e1a410 100644
--- a/docs/mysql/insert.md
+++ b/docs/mysql/insert.md
@@ -93,4 +93,76 @@ insert class(name) value("李四");
 
 ![图 3](../../images/cf4c2d67f9e61957ecd9e0b15f88708fa1b082c8466fe58e87f47c6fdd77c857.png)  
 
-只有名字 其他的都是null
\ No newline at end of file
+只有名字 其他的都是null，只要是不写的字段默认都会是null。
+
+### 可以省略字段名
+
+上面添加的时候都会写上字段名字，但是名字都是可以省略的，只需要遵循语法规范。
+
+```sql
+INSERT INTO table VALUE(value1,value2,...);
+```
+
+写法是怎么样的呢，后面value的顺序需要跟建表时候的字段顺序一样，而且数量需要一样的。
+
+例如现在的这个表
+
+```sql
+insert into class value('王五','男',11);
+```
+
+![图 1](../../images/70c8fced863114fc9da9c3bef072a664205ad74208834f4ad211bc0ac11b8907.png)  
+
+查询一下
+
+![图 2](../../images/560eaa119c7b2d863f1d67f8e02479bc78590e2df918969ab45fef5bf0db348c.png)  
+
+已经出现了
+
+如果说少些了或者多写了会怎么样呢？
+
+```sql
+insert into class value('王五','男');
+```
+
+![图 3](../../images/47825a90e74ed9efc2bfd68edd33ff23fa1a4b83fb51b4293d49753782c84394.png)  
+
+```sql
+insert into class value('王五','男',11,2);
+```
+
+![图 4](../../images/43a26e249cb890dcad72ff1ae2f5b6d2510b88c3f3b897ddd2af1a551abd6251.png)  
+
+两个错误都是一样的，翻译一下
+
+![图 5](../../images/34180375660480f0888de766b4ef42ed9a39ec72d4c33123101773af694b701e.png)  
+
+如果想这么添加必须个数一样，所以一般不会使用这样的添加方法。
+
+### 一次添加多条数据
+
+现在每次执行一行的时候都是添加的一条数据，有时候我们需要同时添加多条数据的时候怎么办呢？
+
+```sql
+INSERT INTO table VALUES(value1,value2,...),(value1,value2,...),(value1,value2,...),....;
+```
+
+使用上面的语法就可以，比如我们现在的这个class表。
+
+```sql
+insert into class(name,sex,age) values('小红','男',11),('小名','男',11),('小白','男',11);
+```
+
+这样一次我们添加三条数据，可以再往后添加更多的数据。
+
+![图 6](../../images/269762a748666237f4c75c4e78526b32c2dff37db2346aea3757933f4ecc8f3d.png)  
+
+添加成功了，查询一下
+
+![图 7](../../images/007b78cc30be892d485e497caa3bbb1f0203ec1cbeda4ab9378408cc018ce9a8.png)  
+
+下面添加的那三个已经成功添加进去了。
+
+## 结束
+
+插入数据已经说完了，下面就是修改数据和删除数据了。
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