diff --git a/src/components/cascader/cascader.vue b/src/components/cascader/cascader.vue
index 4ec4d83..6b2078e 100644
--- a/src/components/cascader/cascader.vue
+++ b/src/components/cascader/cascader.vue
@@ -1,22 +1,39 @@
 <template>
-    <div :class="[prefixCls]">
+    <div :class="classes" v-clickoutside="handleClose">
         <i-input
             readonly
             :disabled="disabled"
             :value.sync="displayRender"
             :size="size"
-            :placeholder="placeholder"></i-input>
+            :placeholder="placeholder"
+            @on-focus="onFocus"></i-input>
+        <Icon type="ios-close" :class="[prefixCls + '-arrow']" v-show="showCloseIcon" @click.stop="clearSelect"></Icon>
+        <Icon type="arrow-down-b" :class="[prefixCls + '-arrow']"></Icon>
+        <Dropdown v-show="visible" transition="slide-up">
+            <div>
+                <Caspanel
+                    :prefix-cls="prefixCls"
+                    :data.sync="data"
+                    :disabled="disabled"
+                    :trigger="trigger"
+                    @on-update-result="updateResult"></Caspanel>
+            </div>
+        </Dropdown>
     </div>
 </template>
 <script>
     import iInput from '../input/input.vue';
     import Dropdown from '../select/dropdown.vue';
+    import Icon from '../icon/icon.vue';
+    import Caspanel from './caspanel.vue';
     import clickoutside from '../../directives/clickoutside';
-    import { oneOf, MutationObserver } from '../../utils/assist';
+    import { oneOf } from '../../utils/assist';
 
     const prefixCls = 'ivu-cascader';
 
     export default {
+        components: { iInput, Dropdown, Icon, Caspanel },
+        directives: { clickoutside },
         props: {
             data: {
                 type: Array,
@@ -33,7 +50,7 @@
             },
             clearable: {
                 type: Boolean,
-                default: false
+                default: true
             },
             placeholder: {
                 type: String,
@@ -56,18 +73,31 @@
             },
             renderFormat: {
                 type: Function,
-                default: (label, selectedData) => {
-                    label.join('/');
+                default (label, selectedData) {
+                    return label.join('/');
                 }
             }
         },
         data () {
             return {
                 prefixCls: prefixCls,
-                selected: []
+                visible: false,
+                selected: [],
+                tmpSelected: []
             }
         },
         computed: {
+            classes () {
+                return [
+                    `${prefixCls}`,
+                    {
+                        [`${prefixCls}-show-clear`]: this.showCloseIcon
+                    }
+                ]
+            },
+            showCloseIcon () {
+                return this.value && this.value.length && this.clearable;
+            },
             displayRender () {
                 let label = [];
                 for (let i = 0; i < this.selected.length; i++) {
@@ -78,7 +108,22 @@
             }
         },
         methods: {
-        
+            clearSelect () {
+
+            },
+            handleClose () {
+                this.visible = false;
+            },
+            onFocus () {
+                this.visible = true;
+            },
+            updateResult (result) {
+                console.log(JSON.stringify(result))
+                this.selected = result;
+            }
+        },
+        ready () {
+
         }
     }
 </script>
\ No newline at end of file
diff --git a/src/components/cascader/casitem.vue b/src/components/cascader/casitem.vue
new file mode 100644
index 0000000..599b59a
--- /dev/null
+++ b/src/components/cascader/casitem.vue
@@ -0,0 +1,25 @@
+<template>
+    <li :class="classes">{{ data.label }}<i v-if="data.children && data.children.length" class="ivu-icon ivu-icon-ios-arrow-right"></i></li>
+</template>
+<script>
+    export default {
+        props: {
+            data: Object,
+            prefixCls: String,
+            tmpItem: Object
+        },
+        computed: {
+            classes () {
+                return [
+                    `${this.prefixCls}-menu-item`,
+                    {
+                        [`${this.prefixCls}-menu-item-active`]: this.tmpItem.value === this.data.value
+                    }
+                ]
+            }
+        },
+        ready () {
+
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/src/components/cascader/caspanel.vue b/src/components/cascader/caspanel.vue
new file mode 100644
index 0000000..c781649
--- /dev/null
+++ b/src/components/cascader/caspanel.vue
@@ -0,0 +1,95 @@
+<template>
+    <ul v-if="data && data.length" :class="[prefixCls + '-menu']">
+        <Casitem
+            v-for="item in data"
+            :prefix-cls="prefixCls"
+            :data.sync="item"
+            :tmp-item="tmpItem"
+            @click.stop="handleClickItem(item)"
+            @mouseenter.stop="handleHoverItem(item)"></Casitem>
+    </ul><Caspanel v-if="sublist && sublist.length" :prefix-cls="prefixCls" :data.sync="sublist" :disabled="disabled" :trigger="trigger" @on-update-result="updateResult"></Caspanel>
+</template>
+<script>
+    import Casitem from './casitem.vue';
+    import { oneOf } from '../../utils/assist';
+
+    export default {
+        name: 'Caspanel',
+        components: { Casitem },
+        props: {
+            data: {
+                type: Array,
+                default () {
+                    return []
+                }
+            },
+            sublist: {
+                type: Array,
+                default () {
+                    return []
+                }
+            },
+            disabled: Boolean,
+            changeOnSelect: Boolean,
+            trigger: {
+                validator (value) {
+                    return oneOf(value, ['click', 'hover']);
+                }
+            },
+            prefixCls: String
+        },
+        data () {
+            return {
+                tmpItem: {},
+                result: []
+            }
+        },
+        methods: {
+            handleClickItem (item) {
+                if (this.trigger !== 'click') return;
+                this.handleTriggerItem(item);
+            },
+            handleHoverItem (item) {
+                if (this.trigger !== 'hover') return;
+                this.handleTriggerItem(item);
+            },
+            handleTriggerItem (item) {
+                if (item.disabled) return;
+
+                if (item.children && item.children.length){
+                    this.sublist = item.children;
+                    // todo 实时选择
+                } else {
+                    this.sublist = [];
+                    // todo 选择
+                }
+
+                // return value back
+                const backItem = this.getBaseItem(item);
+
+                this.tmpItem = backItem;
+                this.$emit('on-update-result', [backItem]);
+            },
+            updateResult (item) {
+                this.result = [this.tmpItem].concat(item);
+                this.$emit('on-update-result', this.result);
+            },
+            getBaseItem (item) {
+                let backItem = Object.assign({}, item);
+                if (backItem.children) {
+                    delete backItem.children;
+                }
+
+                return backItem;
+            }
+        },
+        watch: {
+            data () {
+                this.sublist = [];
+            }
+        },
+        ready () {
+            // todo 初始化时，判断预设的值
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/src/styles/components/cascader.less b/src/styles/components/cascader.less
new file mode 100644
index 0000000..a87d4ee
--- /dev/null
+++ b/src/styles/components/cascader.less
@@ -0,0 +1,85 @@
+@cascader-prefix-cls: ~"@{css-prefix}cascader";
+@cascader-item-prefix-cls: ~"@{css-prefix}cascader-menu-item";
+
+.@{cascader-prefix-cls} {
+    position: relative;
+
+    .@{css-prefix}input{
+        display: block;
+        cursor: pointer;
+    }
+
+    .@{cascader-prefix-cls}-arrow:nth-of-type(1) {
+        display: none;
+        cursor: pointer;
+    }
+
+    &:hover {
+        .@{cascader-prefix-cls}-arrow:nth-of-type(1) {
+            display: inline-block;
+        }
+    }
+    &-show-clear:hover .@{cascader-prefix-cls}-arrow:nth-of-type(2){
+        display: none;
+    }
+
+    &-arrow {
+        position: absolute;
+        top: 50%;
+        right: 8px;
+        line-height: 1;
+        margin-top: -6px;
+        font-size: @font-size-base;
+        color: @subsidiary-color;
+        .transition(all @transition-time @ease-in-out);
+    }
+
+    .@{select-dropdown-prefix-cls} {
+        padding: 0;
+        white-space: nowrap;
+    }
+
+    .select-item(@cascader-prefix-cls, @cascader-item-prefix-cls);
+
+    &-menu{
+        display: inline-block;
+        min-width: 100px;
+        height: 180px;
+        margin: 0;
+        padding: 5px 0;
+        vertical-align: top;
+        list-style: none;
+        border-right: 1px solid @border-color-split;
+        overflow: auto;
+
+        &:first-child {
+
+        }
+        &:last-child {
+            border-right-color: transparent;
+            margin-right: -1px;
+        }
+        &:only-child {
+
+        }
+
+        & &-item{
+            position: relative;
+            padding-right: 24px;
+            .transition(all @transition-time @ease-in-out);
+
+            i{
+                font-size: @font-size-small;
+                position: absolute;
+                right: 15px;
+                top: 50%;
+                margin-top: -6px;
+            }
+
+            &-active{
+                background-color: @background-color-select-hover;
+                font-weight: bold;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/styles/components/index.less b/src/styles/components/index.less
index 3f67faf..168358b 100644
--- a/src/styles/components/index.less
+++ b/src/styles/components/index.less
@@ -25,4 +25,5 @@
 @import "tooltip";
 @import "poptip";
 @import "input";
-@import "slider";
\ No newline at end of file
+@import "slider";
+@import "cascader";
\ No newline at end of file
diff --git a/src/styles/components/select.less b/src/styles/components/select.less
index 9d3bb23..2bca4f7 100644
--- a/src/styles/components/select.less
+++ b/src/styles/components/select.less
@@ -183,50 +183,7 @@
     }
 }
 
-.@{select-item-prefix-cls} {
-    margin: 0;
-    padding: 7px 16px;
-    clear: both;
-    color: @text-color;
-    font-size: @font-size-small !important;
-    //border-radius: @btn-border-radius-small;
-    white-space: nowrap;
-    cursor: pointer;
-    .transition(background @transition-time @ease-in-out);
-
-    &:hover{
-        background: @background-color-select-hover;
-    }
-
-    &-focus {
-        background: @background-color-select-hover;
-    }
-
-    &-disabled {
-        color: @btn-disable-color;
-        cursor: @cursor-disabled;
-
-        &:hover {
-            color: @btn-disable-color;
-            background-color: #fff;
-            cursor: @cursor-disabled;
-        }
-    }
-
-    &-selected ,&-selected:hover{
-        color: #fff;
-        background: @selected-color;
-    }
-
-    &-selected&-focus {
-        background: shade(@selected-color, 10%);
-    }
-}
-
-.@{select-prefix-cls}-large .@{select-item-prefix-cls}{
-    padding: 7px 16px 8px;
-    font-size: @font-size-base !important;
-}
+.select-item(@select-prefix-cls, @select-item-prefix-cls);
 
 .@{select-prefix-cls}-multiple .@{select-item-prefix-cls} {
     &-selected{
diff --git a/src/styles/mixins/index.less b/src/styles/mixins/index.less
index 4e7933c..759663b 100644
--- a/src/styles/mixins/index.less
+++ b/src/styles/mixins/index.less
@@ -14,4 +14,5 @@
 @import "breadcrumb";
 @import "mask";
 @import "content";  // card、modal
-@import "tooltip";
\ No newline at end of file
+@import "tooltip";
+@import "select";
\ No newline at end of file
diff --git a/src/styles/mixins/select.less b/src/styles/mixins/select.less
new file mode 100644
index 0000000..ee34af2
--- /dev/null
+++ b/src/styles/mixins/select.less
@@ -0,0 +1,46 @@
+.select-item(@size-class, @item-class) {
+    .@{item-class} {
+        margin: 0;
+        padding: 7px 16px;
+        clear: both;
+        color: @text-color;
+        font-size: @font-size-small !important;
+        white-space: nowrap;
+        list-style: none;
+        cursor: pointer;
+        .transition(background @transition-time @ease-in-out);
+
+        &:hover{
+            background: @background-color-select-hover;
+        }
+
+        &-focus {
+            background: @background-color-select-hover;
+        }
+
+        &-disabled {
+            color: @btn-disable-color;
+            cursor: @cursor-disabled;
+
+            &:hover {
+                color: @btn-disable-color;
+                background-color: #fff;
+                cursor: @cursor-disabled;
+            }
+        }
+
+        &-selected ,&-selected:hover{
+            color: #fff;
+            background: @selected-color;
+        }
+
+        &-selected&-focus {
+            background: shade(@selected-color, 10%);
+        }
+    }
+
+    .@{size-class}-large .@{item-class} {
+        padding: 7px 16px 8px;
+        font-size: @font-size-base !important;
+    }
+}
\ No newline at end of file
diff --git a/test/routers/cascader.vue b/test/routers/cascader.vue
index 7f43f60..82006a0 100644
--- a/test/routers/cascader.vue
+++ b/test/routers/cascader.vue
@@ -1,24 +1,54 @@
 <template>
-    <div style="margin: 150px;width:300px">
-        <Cascader></Cascader>
+    <div style="margin: 50px;width:300px">
+        <Cascader :data="data" :value="value"></Cascader>
     </div>
 </template>
 <script>
     import { Cascader } from 'iview';
     export default {
         props: {
-        
+
         },
         data () {
             return {
-            
+                value: [],
+                data: [{
+                    value: 'zhejiang',
+                    label: 'Zhejiang',
+                    children: [{
+                        value: 'hangzhou',
+                        label: 'Hangzhou'
+                    }],
+                }, {
+                    value: 'jiangsu',
+                    label: 'Jiangsu',
+                    children: [{
+                        value: 'nanjing',
+                        label: 'Nanjing',
+                        children: [{
+                            value: 'zhonghuamen',
+                            label: 'Zhong Hua Men',
+                            children: [{
+                                value: 'abc',
+                                label: 'ABC'
+                            }]
+                        }]
+                    }, {
+                        value: 'hhh',
+                        label: 'HHH',
+                        children: [{
+                            value: 'ddd',
+                            label: 'DDD'
+                        }]
+                    }]
+                }]
             }
         },
         computed: {
-        
+
         },
         methods: {
-        
+
         }
     }
 </script>
\ No newline at end of file
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