diff --git a/packages/vant/src/notify/Notify.tsx b/packages/vant/src/notify/Notify.tsx
index 9007e2979..93356bd2a 100644
--- a/packages/vant/src/notify/Notify.tsx
+++ b/packages/vant/src/notify/Notify.tsx
@@ -43,6 +43,7 @@ export default defineComponent({
           background: props.background,
         }}
         overlay={false}
+        zIndex={props.zIndex}
         position={props.position}
         duration={0.2}
         lockScroll={props.lockScroll}
diff --git a/packages/vant/src/notify/README.md b/packages/vant/src/notify/README.md
index 8233e8f1a..29d985b51 100644
--- a/packages/vant/src/notify/README.md
+++ b/packages/vant/src/notify/README.md
@@ -127,6 +127,7 @@ Vant exports following Notify utility functions:
 | type | Can be set to `primary` `success` `warning` | _NotifyType_ | `danger` |
 | message | Message | _string_ | - |
 | duration | Duration(ms), won't disappear if value is 0 | _number \| string_ | `3000` |
+| z-index | Set the z-index to a fixed value | _number \| string_ | `2000+` |
 | position `v3.4.0` | Position, can be set to `bottom` | _NotifyPosition_ | `top` |
 | color | Message color | _string_ | `white` |
 | background | Background color | _string_ | - |
diff --git a/packages/vant/src/notify/README.zh-CN.md b/packages/vant/src/notify/README.zh-CN.md
index 84a9f7eff..68b4598fb 100644
--- a/packages/vant/src/notify/README.zh-CN.md
+++ b/packages/vant/src/notify/README.zh-CN.md
@@ -142,6 +142,7 @@ Vant 中导出了以下 Notify 相关的辅助函数：
 | type | 类型，可选值为 `primary` `success` `warning` | _NotifyType_ | `danger` |
 | message | 展示文案，支持通过`\n`换行 | _string_ | - |
 | duration | 展示时长(ms)，值为 0 时，notify 不会消失 | _number \| string_ | `3000` |
+| z-index | 将组件的 z-index 层级设置为一个固定值 | _number \| string_ | `2000+` |
 | position `v3.4.0` | 弹出位置，可选值为 `bottom` | _NotifyPosition_ | `top` |
 | color | 字体颜色 | _string_ | `white` |
 | background | 背景颜色 | _string_ | - |