diff --git a/package/component/src/component/radio/index.less b/package/component/src/component/radio/index.less
index 00531704..4eae0d2a 100644
--- a/package/component/src/component/radio/index.less
+++ b/package/component/src/component/radio/index.less
@@ -1,3 +1,31 @@
+@lg: 24px;
+@md: 22px;
+@sm: 20px;
+@xs: 18px;
+
+.set-size(@size) {
+  & {
+    .layui-form-radio > i {
+      font-size: @size;
+    }
+  }
+}
+
+.layui-radio{
+  &[size="lg"] {
+    .set-size(@lg);
+  }
+  &[size="md"] {
+    .set-size(@md);
+  }
+  &[size="sm"] {
+    .set-size(@sm);
+  }
+  &[size="xs"] {
+    .set-size(@xs);
+  }
+}
+
 .layui-radio input[type="radio"]{
   display: none;
 }
diff --git a/package/component/src/component/radio/index.vue b/package/component/src/component/radio/index.vue
index 5b5fc897..0dc4671d 100644
--- a/package/component/src/component/radio/index.vue
+++ b/package/component/src/component/radio/index.vue
@@ -7,9 +7,9 @@ export default {
 
 <script setup lang="ts">
 import "./index.less";
-import { disable } from "@umijs/ssr-darkreader";
 
 export interface LayRadioProps {
+  size?: 'lg' | 'md' | 'sm' | 'xs';
   modelValue?: string | boolean;
   disabled?: boolean;
   value?: string;
@@ -17,7 +17,9 @@ export interface LayRadioProps {
   name?: string;
 }
 
-const props = defineProps<LayRadioProps>();
+const props = withDefaults(defineProps<LayRadioProps>(), {
+  size: "md"
+});
 
 const emit = defineEmits(["update:modelValue", "change"]);
 
@@ -72,7 +74,7 @@ const ifDisabled = computed(() => {
 </script>
 
 <template>
-  <span class="layui-radio">
+  <span class="layui-radio" :size="size">
     <input type="radio" :value="value" :name="naiveName" />
     <div
       class="layui-unselect layui-form-radio"
diff --git a/package/component/src/component/switch/index.vue b/package/component/src/component/switch/index.vue
index 474a45da..67c01034 100644
--- a/package/component/src/component/switch/index.vue
+++ b/package/component/src/component/switch/index.vue
@@ -24,7 +24,7 @@ const props = withDefaults(defineProps<LaySwitchProps>(), {
   disabled: false,
   onswitchValue: true,
   unswitchValue: false,
-  size:'md'
+  size: "md",
 });
 
 const emit = defineEmits(["update:modelValue", "change"]);
diff --git a/package/document-component/src/document/zh-CN/components/radio.md b/package/document-component/src/document/zh-CN/components/radio.md
index 4d42af0a..8d350df4 100644
--- a/package/document-component/src/document/zh-CN/components/radio.md
+++ b/package/document-component/src/document/zh-CN/components/radio.md
@@ -98,6 +98,36 @@ export default {
 
 :::
 
+::: title 事件回调
+:::
+
+::: demo
+
+<template>
+    <lay-radio v-model="selected5" name="action" size="lg" value="1">写作</lay-radio>
+    <lay-radio v-model="selected5" name="action" size="md" value="2">画画</lay-radio>
+    <lay-radio v-model="selected5" name="action" size="sm" value="3">运动</lay-radio>
+    <lay-radio v-model="selected5" name="action" size="xs" value="4">游泳</lay-radio>
+</template>
+
+<script>
+import { ref } from 'vue'
+
+export default {
+  setup() {
+
+    const selected5 = ref("1");
+
+    return {
+        selected5,
+    }
+  }
+}
+</script>
+
+:::
+
+
 ::: title 单选分组
 :::
 
diff --git a/package/document-component/src/document/zh-CN/guide/changelog.md b/package/document-component/src/document/zh-CN/guide/changelog.md
index c2e31afb..ba894005 100644
--- a/package/document-component/src/document/zh-CN/guide/changelog.md
+++ b/package/document-component/src/document/zh-CN/guide/changelog.md
@@ -29,6 +29,7 @@
           <li>[新增] date-picker 组件 年月日 范围选择, 重构代码。</li>
           <li>[新增] date-picker 组件 allow-clear 属性, 开启内容清空操作。</li>
           <li>[新增] date-picker 组件 readonly 属性, 开启只读模式。</li>
+          <li>[新增] radio 组件 size 属性, 用于设置 radio 尺寸。</li>
           <li>[新增] switch 组件 size 属性, 用于设置 switch 尺寸。</li>
           <li>[修复] date-picker 组件 modelValue 属性, 空值报错。</li>
           <li>[修复] input-number 组件 size 属性, lg md sm xs 为可选值。</li>