diff --git a/src/number-keyboard/README.md b/src/number-keyboard/README.md
index b0f2eb911..67faf36b7 100644
--- a/src/number-keyboard/README.md
+++ b/src/number-keyboard/README.md
@@ -97,6 +97,22 @@ Use `title` prop to set keyboard title
 />
 ```
 
+### Multiple ExtraKey
+
+```html
+<van-cell plain type="primary" @touchstart.native.stop="show = true">
+  Show Keyboard With Multiple ExtraKey
+</van-cell>
+<van-number-keyboard
+  :show="show"
+  :extra-key="['00', '.']"
+  close-button-text="Close"
+  @blur="show = false"
+  @input="onInput"
+  @delete="onDelete"
+/>
+```
+
 ### Bind Value
 
 ```html
@@ -138,7 +154,7 @@ export default {
 | maxlength `v2.0.2` | Value maxlength | _number \| string_ | - |
 | transition | Whether to show transition animation | _boolean_ | `true` |
 | z-index | Keyboard z-index | _number \| string_ | `100` |
-| extra-key | Content of bottom left key | _string_ | `''` |
+| extra-key `v2.8.2` | Content of bottom left key | _string \| string[]_ | `''` |
 | close-button-text | Close button text | _string_ | - |
 | delete-button-text | Delete button text | _string_ | Delete Icon |
 | close-button-loading `v2.7.0` | Whether to show loading close button in custom theme | _boolean_ | `false` |
diff --git a/src/number-keyboard/README.zh-CN.md b/src/number-keyboard/README.zh-CN.md
index 5520ad7a8..24bea797a 100644
--- a/src/number-keyboard/README.zh-CN.md
+++ b/src/number-keyboard/README.zh-CN.md
@@ -106,6 +106,24 @@ export default {
 />
 ```
 
+### 配置多个按键
+
+当 theme 为 `custom` 时，支持以数组的形式配置两个 `extra-key`
+
+```html
+<van-cell plain type="primary" @touchstart.native.stop="show = true">
+  弹出配置多个按键的键盘
+</van-cell>
+<van-number-keyboard
+  :show="show"
+  :extra-key="['00', '.']"
+  close-button-text="完成"
+  @blur="show = false"
+  @input="onInput"
+  @delete="onDelete"
+/>
+```
+
 ### 双向绑定
 
 可以通过 `v-model` 绑定键盘当前输入值
@@ -149,7 +167,7 @@ export default {
 | maxlength `v2.0.2` | 输入值最大长度 | _number \| string_ | - |
 | transition | 是否开启过场动画 | _boolean_ | `true` |
 | z-index | 键盘 z-index 层级 | _number \| string_ | `100` |
-| extra-key | 左下角按键内容 | _string_ | `''` |
+| extra-key `v2.8.2` | 底部额外按键的内容 | _string \| string[]_ | `''` |
 | close-button-text | 关闭按钮文字，空则不展示 | _string_ | - |
 | delete-button-text | 删除按钮文字，空则展示删除图标 | _string_ | - |
 | close-button-loading `v2.7.0` | 是否将关闭按钮设置为加载中状态，仅在 `theme="custom"` 时有效 | _boolean_ | `false` |
diff --git a/src/number-keyboard/demo/index.vue b/src/number-keyboard/demo/index.vue
index 31e09c3dc..9b33eae08 100644
--- a/src/number-keyboard/demo/index.vue
+++ b/src/number-keyboard/demo/index.vue
@@ -12,6 +12,9 @@
     <van-cell is-link @touchstart.native.stop="keyboard = 'title'">
       {{ t('button4') }}
     </van-cell>
+    <van-cell is-link @touchstart.native.stop="keyboard = 'multiExtraKey'">
+      {{ t('button5') }}
+    </van-cell>
     <van-field
       readonly
       clickable
@@ -57,6 +60,16 @@
       @delete="onDelete"
     />
 
+    <van-number-keyboard
+      :show="keyboard === 'multiExtraKey'"
+      :close-button-text="t('close')"
+      theme="custom"
+      :extra-key="['00', '.']"
+      @blur="keyboard = ''"
+      @input="onInput"
+      @delete="onDelete"
+    />
+
     <van-number-keyboard
       v-model="value"
       :show="keyboard === 'bindValue'"
@@ -77,9 +90,11 @@ export default {
       button2: '弹出带右侧栏的键盘',
       button3: '弹出身份证号键盘',
       button4: '弹出带标题的键盘',
+      button5: '弹出配置多个按键的键盘',
       bindValue: '双向绑定',
       clickToInput: '点此输入',
       extraKey: '左下角按键内容',
+      multiExtraKey: '配置多个按键',
     },
     'en-US': {
       close: 'Close',
@@ -89,9 +104,11 @@ export default {
       button2: 'Show Keyboard With Sidebar',
       button3: 'Show IdNumber Keyboard',
       button4: 'Show Keyboard With Title',
+      button5: 'Show Keyboard With Multiple ExtraKey',
       bindValue: 'Bind Value',
       clickToInput: 'Click To Input',
       extraKey: 'IdNumber Keyboard',
+      multiExtraKey: 'Multiple ExtraKey',
     },
   },
 
diff --git a/src/number-keyboard/index.js b/src/number-keyboard/index.js
index a7c701e28..fea1f31a5 100644
--- a/src/number-keyboard/index.js
+++ b/src/number-keyboard/index.js
@@ -34,7 +34,7 @@ export default createComponent({
       default: '',
     },
     extraKey: {
-      type: String,
+      type: [String, Array],
       default: '',
     },
     maxlength: {
@@ -69,35 +69,55 @@ export default createComponent({
 
   computed: {
     keys() {
-      const keys = [];
-      for (let i = 1; i <= 9; i++) {
-        keys.push({ text: i });
+      if (this.theme === 'custom') {
+        return this.genCustomKeys();
       }
-
-      switch (this.theme) {
-        case 'default':
-          keys.push(
-            { text: this.extraKey, type: 'extra' },
-            { text: 0 },
-            {
-              text: this.showDeleteKey ? this.deleteButtonText : '',
-              type: this.showDeleteKey ? 'delete' : '',
-            }
-          );
-          break;
-        case 'custom':
-          keys.push(
-            { text: 0, wider: true },
-            { text: this.extraKey, type: 'extra' }
-          );
-          break;
-      }
-
-      return keys;
+      return this.genDefaultKeys();
     },
   },
 
   methods: {
+    genBasicKeys() {
+      const keys = [];
+      for (let i = 1; i <= 9; i++) {
+        keys.push({ text: i });
+      }
+      return keys;
+    },
+
+    genDefaultKeys() {
+      return [
+        ...this.genBasicKeys(),
+        { text: this.extraKey, type: 'extra' },
+        { text: 0 },
+        {
+          text: this.showDeleteKey ? this.deleteButtonText : '',
+          type: this.showDeleteKey ? 'delete' : '',
+        },
+      ];
+    },
+
+    genCustomKeys() {
+      const keys = this.genBasicKeys();
+      const { extraKey } = this;
+      const extraKeys = Array.isArray(extraKey) ? extraKey : [extraKey];
+
+      if (extraKeys.length === 1) {
+        keys.push(
+          { text: 0, wider: true },
+          { text: extraKey[0], type: 'extra' }
+        );
+      } else if (extraKeys.length === 2) {
+        keys.push(
+          { text: extraKey[0], type: 'extra' },
+          { text: 0 },
+          { text: extraKey[1], type: 'extra' }
+        );
+      }
+
+      return keys;
+    },
+
     onBlur() {
       this.show && this.$emit('blur');
     },
diff --git a/src/number-keyboard/test/__snapshots__/demo.spec.js.snap b/src/number-keyboard/test/__snapshots__/demo.spec.js.snap
index 71c33f9c9..a420dbc39 100644
--- a/src/number-keyboard/test/__snapshots__/demo.spec.js.snap
+++ b/src/number-keyboard/test/__snapshots__/demo.spec.js.snap
@@ -26,6 +26,12 @@ exports[`renders demo correctly 1`] = `
     </div><i class="van-icon van-icon-arrow van-cell__right-icon">
       <!----></i>
   </div>
+  <div role="button" tabindex="0" class="van-cell van-cell--clickable">
+    <div class="van-cell__value van-cell__value--alone">
+      弹出配置多个按键的键盘
+    </div><i class="van-icon van-icon-arrow van-cell__right-icon">
+      <!----></i>
+  </div>
   <div role="button" tabindex="0" class="van-cell van-cell--clickable van-field">
     <div class="van-cell__title van-field__label"><span>双向绑定</span></div>
     <div class="van-cell__value van-field__value">
@@ -121,6 +127,30 @@ exports[`renders demo correctly 1`] = `
       </div>
     </div>
   </div>
+  <div class="van-number-keyboard" style="display: none;" name="van-slide-up">
+    <div class="van-number-keyboard__body">
+      <div class="van-number-keyboard__keys">
+        <div class="van-key__wrapper"><button type="button" class="van-key">1</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">2</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">3</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">4</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">5</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">6</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">7</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">8</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">9</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">00</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">0</button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key">.</button></div>
+      </div>
+      <div class="van-number-keyboard__sidebar">
+        <div class="van-key__wrapper"><button type="button" class="van-key van-key--large van-key--delete"><svg viewBox="0 0 32 22" xmlns="http://www.w3.org/2000/svg" class="van-key__delete-icon">
+              <path d="M28.016 0A3.991 3.991 0 0132 3.987v14.026c0 2.2-1.787 3.987-3.98 3.987H10.382c-.509 0-.996-.206-1.374-.585L.89 13.09C.33 12.62 0 11.84 0 11.006c0-.86.325-1.62.887-2.08L9.01.585A1.936 1.936 0 0110.383 0zm0 1.947H10.368L2.24 10.28c-.224.226-.312.432-.312.73 0 .287.094.51.312.729l8.128 8.333h17.648a2.041 2.041 0 002.037-2.04V3.987c0-1.127-.915-2.04-2.037-2.04zM23.028 6a.96.96 0 01.678.292.95.95 0 01-.003 1.377l-3.342 3.348 3.326 3.333c.189.188.292.43.292.679 0 .248-.103.49-.292.679a.96.96 0 01-.678.292.959.959 0 01-.677-.292L18.99 12.36l-3.343 3.345a.96.96 0 01-.677.292.96.96 0 01-.678-.292.962.962 0 01-.292-.68c0-.248.104-.49.292-.679l3.342-3.348-3.342-3.348A.963.963 0 0114 6.971c0-.248.104-.49.292-.679A.96.96 0 0114.97 6a.96.96 0 01.677.292l3.358 3.348 3.345-3.348A.96.96 0 0123.028 6z" fill="currentColor"></path>
+            </svg></button></div>
+        <div class="van-key__wrapper"><button type="button" class="van-key van-key--blue van-key--large">完成</button></div>
+      </div>
+    </div>
+  </div>
   <div class="van-number-keyboard" style="display: none;" name="van-slide-up">
     <div class="van-number-keyboard__body">
       <div class="van-number-keyboard__keys">