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---
category: Components
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type: Data Entry
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title: Radio
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cover: https://gw.alipayobjects.com/zos/alicdn/8cYb5seNB/Radio.svg
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---
Radio.
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## When To Use
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- Used to select a single state from multiple options.
- The difference from Select is that Radio is visible to the user and can facilitate the comparison of choice, which means there shouldn't be too many of them.
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## API
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### Radio/Radio.Button
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| Property | Description | Type | Default |
| --- | --- | --- | --- |
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| autoFocus | Whether get focus when component mounted | boolean | false |
| checked | Specifies whether the radio is selected | boolean | false |
| defaultChecked | Specifies the initial state: whether or not the radio is selected | boolean | false |
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| disabled | Disable radio | boolean | false |
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| value | According to value for comparison, to determine whether the selected | any | - |
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### RadioGroup
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Radio group can wrap a group of `Radio` 。
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| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
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| buttonStyle | The style type of radio button | `outline` \| `solid` | `outline` | |
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| defaultValue | Default selected value | any | - | |
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| disabled | Disable all radio buttons | boolean | false | |
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| name | The `name` property of all `input[type="radio"]` children | string | - | |
| options | Set children optional | string\[] \| Array< { label: string value: string disabled?: boolean }> | - | |
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| optionType | Set Radio optionType | `default` \| `button` | `default` | 4.4.0 |
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| size | The size of radio button style | `large` \| `middle` \| `small` | - | |
| value | Used for setting the currently selected value | any | - | |
| onChange | The callback function that is triggered when the state changes | function(e:Event) | - | |
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## Methods
### Radio
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| Name | Description |
| --- | --- |
| blur() | Remove focus |
| focus() | Get focus |
