diff --git a/components.json b/components.json
index d0dd619e8..1c29279de 100644
--- a/components.json
+++ b/components.json
@@ -1,4 +1,5 @@
 {
   "sample": "./packages/sample/index.js",
-  "button": "./packages/button/index.js"
+  "button": "./packages/button/index.js",
+  "switch": "./packages/switch/index.js"
 }
diff --git a/docs/examples/switch.md b/docs/examples/switch.md
new file mode 100644
index 000000000..56a9c27b6
--- /dev/null
+++ b/docs/examples/switch.md
@@ -0,0 +1,80 @@
+<script>
+export default {
+  data() {
+    return {
+      switchState: true
+    };
+  },
+  computed: {
+    switchStateText() {
+      return this.switchState ? 'ON' : 'OFF';
+    }
+  },
+  methods: {
+    updateState(newState) {
+      console.log('changing');
+      this.switchState = newState;
+    }
+  }
+};
+</script>
+<style lang="css">
+  @component-namespace page {
+    @component switch {
+      padding: 0 15px 15px;
+
+      @descendent sample {
+        margin: 0 15px;
+      }
+
+      @descendent text {
+        margin-right: 20px;
+      }
+    }
+  }
+</style>
+
+## Switch组件
+
+### 基础用法
+
+:::demo 样例代码
+```html
+<div class="page-switch">
+  <span class="page-switch-text">Switch state: {{switchStateText}}</span>
+  <o2-switch class="page-switch-sample" :checked="switchState" :onChange="updateState"></o2-switch>
+  <o2-switch class="page-switch-sample" :checked="false" :disabled="true"></o2-switch>
+</div>
+```
+
+
+```javascript
+export default {
+  data() {
+    return {
+      switchState: false
+    };
+  },
+  computed: {
+    switchStateText() {
+      return this.switchState ? 'on' : 'off';
+    }
+  },
+  methods: {
+    updateState(newState) {
+      console.log('changing');
+      this.switchState = newState;
+    }
+  }
+};
+```
+:::
+
+### API
+
+| 参数       | 说明      | 类型       | 默认值       | 可选值       |
+|-----------|-----------|-----------|-------------|-------------|
+| checked | 开关状态 | boolean  | false          | true,false    |
+| loading | loading状态 | boolean  | false          | true,false    |
+| disabled | 禁用状态 | boolean  | false          | true,false    |
+| onChange | 回调 | function  | function（）{}      | -    |
diff --git a/docs/nav.config.json b/docs/nav.config.json
index 3e62d423e..401945ae3 100644
--- a/docs/nav.config.json
+++ b/docs/nav.config.json
@@ -13,6 +13,10 @@
             {
               "path": "/button",
               "title": "Button组件"
+            },
+            {
+              "path": "/switch",
+              "title": "Switch组件"
             }
           ]
         }
diff --git a/package.json b/package.json
index aae753ff4..2cb92d122 100644
--- a/package.json
+++ b/package.json
@@ -100,6 +100,7 @@
     "prismjs": "^1.5.1",
     "rimraf": "^2.5.4",
     "run-sequence": "^1.2.2",
+    "saladcss-bem":"^0.0.1",
     "sass-loader": "^3.2.3",
     "style-loader": "^0.13.1",
     "theaterjs": "^3.0.0",
diff --git a/packages/switch/CHANGELOG.md b/packages/switch/CHANGELOG.md
new file mode 100644
index 000000000..e69de29bb
diff --git a/packages/switch/README.md b/packages/switch/README.md
new file mode 100644
index 000000000..4c6172563
--- /dev/null
+++ b/packages/switch/README.md
@@ -0,0 +1,26 @@
+# @youzan/<%= name %>
+
+!!! 请在此处填写你的文档最简单描述 !!!
+
+[![version][version-image]][download-url]
+[![download][download-image]][download-url]
+
+[version-image]: http://npm.qima-inc.com/badge/v/@youzan/<%= name %>.svg?style=flat-square
+[download-image]: http://npm.qima-inc.com/badge/d/@youzan/<%= name %>.svg?style=flat-square
+[download-url]: http://npm.qima-inc.com/package/@youzan/<%= name %>
+
+## Demo
+
+## Usage
+
+## API
+
+| 参数       | 说明      | 类型       | 默认值       | 可选值       |
+|-----------|-----------|-----------|-------------|-------------|
+| className | 自定义额外类名 | string  | ''          | ''          |
+
+
+
+
+## License
+[MIT](https://opensource.org/licenses/MIT)
diff --git a/packages/switch/index.js b/packages/switch/index.js
new file mode 100644
index 000000000..0b5d5cf84
--- /dev/null
+++ b/packages/switch/index.js
@@ -0,0 +1,3 @@
+import Switch from './src/switch';
+
+export default Switch;
diff --git a/packages/switch/index.pcss b/packages/switch/index.pcss
new file mode 100644
index 000000000..617bc489f
--- /dev/null
+++ b/packages/switch/index.pcss
@@ -0,0 +1 @@
+@import "./src/switch.pcss";
diff --git a/packages/switch/package.json b/packages/switch/package.json
new file mode 100644
index 000000000..46d58abc4
--- /dev/null
+++ b/packages/switch/package.json
@@ -0,0 +1,10 @@
+{
+  "name": "@youzan/o2-switch",
+  "version": "0.0.1",
+  "description": "switch component",
+  "main": "./lib/index.js",
+  "author": "jiangruowei",
+  "license": "MIT",
+  "devDependencies": {},
+  "dependencies": {}
+}
diff --git a/packages/switch/src/switch.pcss b/packages/switch/src/switch.pcss
new file mode 100644
index 000000000..0ac3f03e4
--- /dev/null
+++ b/packages/switch/src/switch.pcss
@@ -0,0 +1,48 @@
+
+@component-namespace o2{
+  @component switch { 
+    height: 29px;
+    width: 49px;
+    display: inline-block;
+    border-radius: 16px;
+    position: relative;
+    border: 1px solid;
+
+    @descendent node {
+      width: 27px;
+      height: 27px;
+      border-radius: 100%;
+      background-color: #fff;
+      border: .5px solid rgba(0, 0, 0, .1);
+      position: absolute;
+      box-shadow: 0 3px 1px 0 rgba(0, 0, 0, .05), 0 2px 2px 0 rgba(0, 0, 0, .1), 0 3px 3px 0 rgba(0, 0, 0, .05);
+      @when on {
+        left: 0;
+      }
+
+      @when off {
+        right: 0;
+      }
+
+    }
+
+    @when on {
+      background-color: #44db5e;
+      border-color: #44db5e;
+    }
+
+    @when off {
+      background-color: #fff;
+      border-color: rgba(0, 0, 0, .1);
+    }
+
+    @when loading {
+        /* TODO */
+    }
+
+    @when disabled {
+      background-color: #f2f2f2;
+      border-color: rgba(0, 0, 0, .1);
+    }
+  }
+}
\ No newline at end of file
diff --git a/packages/switch/src/switch.vue b/packages/switch/src/switch.vue
new file mode 100644
index 000000000..cb92c5fda
--- /dev/null
+++ b/packages/switch/src/switch.vue
@@ -0,0 +1,71 @@
+<template>
+<div class="o2-switch" :class="['is-' + switchState]" @click="toggleState">
+  <div class="o2-switch-node"></div>
+</div>
+</template>
+
+<script>
+/**
+ * o2-switch
+ * @module components/switch
+ * @desc 开关
+ * @param {boolean} [checked=false] - 开关状态
+ * @param {boolean} [disabled=false] - 禁用
+ * @param {boolean} [loading=false] - loading状态
+ * @param {callback} [onChange] - 开关状态改变回调函数。
+ *
+ * @example
+ * <o2-switch checked="true" disabled="false"></o2-switch>
+ */
+export default 
+{
+  name: 'o2-switch',
+  props: {
+    checked: {
+      type: Boolean,
+      default: false
+    },
+    disabled: {
+      type: Boolean,
+      default: false
+    },
+    loading: {
+      type: Boolean,
+      default: false
+    },
+    onChange: {
+      type: Function,
+      default: function() {}
+    }
+  },
+  computed: {
+    switchState: function() {
+      if (this.disabled) {
+          return 'disabled';
+      } else if (this.loading) {
+          return 'loading';
+      } else if (this.checked) {
+          return 'on';
+      } else {
+          return 'off';
+      }
+    }
+  },
+  methods: {
+    /*
+     * 开关状态交互。
+     */
+    toggleState: function() {
+      if(this.disabled || this.loading) return;
+      this.onChange(!this.checked);
+    },
+
+    /*
+     * 
+     */
+    getState: function() {
+      return this.checked;
+    }
+  }
+};
+</script>
diff --git a/packages/zenui/src/index.pcss b/packages/zenui/src/index.pcss
index a8955749d..15f7ab28b 100644
--- a/packages/zenui/src/index.pcss
+++ b/packages/zenui/src/index.pcss
@@ -2,3 +2,4 @@
   css组件库 入口,从各个地方拿css文件，组装成css组件库
  */
 @import '../../button/index.pcss';
+@import '../../switch/index.pcss';
diff --git a/src/index.js b/src/index.js
index a8eff59db..805add4f5 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,6 @@
 import Sample from '../packages/sample/index.js';
 import Button from '../packages/button/index.js';
+import Switch from '../packages/switch/index.js';
 import 'es6-promise/auto';
 import axios from 'axios';
 import foreach from 'lodash/foreach';
@@ -14,6 +15,7 @@ const install = function(Vue) {
 
   Vue.component(Sample.name, Sample);
   Vue.component(Button.name, Button);
+  Vue.component(Switch.name, Switch);
 };
 
 // auto install
@@ -32,5 +34,6 @@ module.exports = {
     map
   },
   Sample,
-  Button
+  Button,
+  Switch
 };