diff --git a/packages/field/README.md b/packages/field/README.md
index 4d754aff..3bc329d7 100644
--- a/packages/field/README.md
+++ b/packages/field/README.md
@@ -140,6 +140,7 @@ Page({
 | label | 输入框左侧文本 | `String` | - |
 | value | 当前输入的值 | `String | Number` | - |
 | type | 可设置为任意原生类型, 如 `number` `idcard` `textarea` `digit` | `String` | `text` |
+| fixed | 如果 type 为 `textarea` 且在一个 `position:fixed` 的区域，需要显示指定属性 fixed 为 true | `Boolean` | `false` |
 | focus | 获取焦点 | `Boolean` | `false` |
 | border | 是否显示内边框 | `Boolean` | `true` |
 | disabled | 是否禁用输入框 | `Boolean` | `false` |
diff --git a/packages/field/index.ts b/packages/field/index.ts
index da4214a7..e7a0d29d 100644
--- a/packages/field/index.ts
+++ b/packages/field/index.ts
@@ -9,6 +9,7 @@ VantComponent({
     icon: String,
     label: String,
     error: Boolean,
+    fixed: Boolean,
     focus: Boolean,
     center: Boolean,
     isLink: Boolean,
diff --git a/packages/field/index.wxml b/packages/field/index.wxml
index fcc8521d..dea13deb 100644
--- a/packages/field/index.wxml
+++ b/packages/field/index.wxml
@@ -14,6 +14,7 @@
     <textarea
       wx:if="{{ type === 'textarea' }}"
       class="{{ inputClass }}"
+      fixed="{{ fixed }}"
       focus="{{ focus }}"
       value="{{ value }}"
       disabled="{{ disabled || readonly }}"