diff --git a/src/grid-item/index.js b/src/grid-item/index.js
index 1d6a3cfbd..5dad92519 100644
--- a/src/grid-item/index.js
+++ b/src/grid-item/index.js
@@ -71,7 +71,13 @@ export default createComponent({
       return [
         this.slots('icon') ||
           (this.icon && (
-            <Icon name={this.icon} dot={this.dot} info={this.info} class={bem('icon')} />
+            <Icon
+              name={this.icon}
+              dot={this.dot}
+              info={this.info}
+              size={this.parent.iconSize}
+              class={bem('icon')}
+            />
           )),
         this.slots('text') || (this.text && <span class={bem('text')}>{this.text}</span>)
       ];
diff --git a/src/grid/README.md b/src/grid/README.md
index b8d298bd5..d19bc8d82 100644
--- a/src/grid/README.md
+++ b/src/grid/README.md
@@ -107,6 +107,7 @@ Vue.use(Grid).use(GridItem);
 | center | Whether to center content | *boolean* | `true` | - |
 | square | Whether to be square shape | *boolean* | `false` | - |
 | clickable | Whether to show click feedback when clicked | *boolean* | `false` | - |
+| icon-size | Icon size | *string \| number* | `28px` | 2.2.6 |
 
 ### GridItem Props
 
diff --git a/src/grid/README.zh-CN.md b/src/grid/README.zh-CN.md
index eab1113dd..1c1ff1fc5 100644
--- a/src/grid/README.zh-CN.md
+++ b/src/grid/README.zh-CN.md
@@ -125,6 +125,7 @@ Vue.use(Grid).use(GridItem);
 | center | 是否将格子内容居中显示 | *boolean* | `true` | - |
 | square | 是否将格子固定为正方形 | *boolean* | `false` | - |
 | clickable | 是否开启格子点击反馈 | *boolean* | `false` | - |
+| icon-size | 图标大小，默认单位为`px` | *string \| number* | `28px` | 2.2.6 |
 
 ### GridItem Props
 
diff --git a/src/grid/index.js b/src/grid/index.js
index 0dca485dc..83174c2ed 100644
--- a/src/grid/index.js
+++ b/src/grid/index.js
@@ -10,6 +10,7 @@ export default createComponent({
   props: {
     square: Boolean,
     gutter: [Number, String],
+    iconSize: [Number, String],
     clickable: Boolean,
     columnNum: {
       type: Number,
diff --git a/src/grid/test/__snapshots__/index.spec.js.snap b/src/grid/test/__snapshots__/index.spec.js.snap
index 9390f65ef..a66e337fb 100644
--- a/src/grid/test/__snapshots__/index.spec.js.snap
+++ b/src/grid/test/__snapshots__/index.spec.js.snap
@@ -1,5 +1,14 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`icon-size prop 1`] = `
+<div class="van-grid van-hairline--top">
+  <div class="van-grid-item" style="flex-basis: 25%;">
+    <div class="van-grid-item__content van-grid-item__content--center van-hairline"><i class="van-icon van-icon-success van-grid-item__icon" style="font-size: 10px;">
+        <!----></i></div>
+  </div>
+</div>
+`;
+
 exports[`sqaure and set gutter 1`] = `
 <div class="van-grid" style="padding-left: 10rem;">
   <div class="van-grid-item van-grid-item--square" style="flex-basis: 50%; padding-top: 50%;">
diff --git a/src/grid/test/index.spec.js b/src/grid/test/index.spec.js
index a53544cbc..e277c5e24 100644
--- a/src/grid/test/index.spec.js
+++ b/src/grid/test/index.spec.js
@@ -38,3 +38,15 @@ test('sqaure and set gutter', () => {
 
   expect(wrapper).toMatchSnapshot();
 });
+
+test('icon-size prop', () => {
+  const wrapper = mount({
+    template: `
+      <van-grid icon-size="10">
+        <van-grid-item icon="success" />
+      </van-grid>
+    `
+  });
+
+  expect(wrapper).toMatchSnapshot();
+});