diff --git a/src/_utils/index.ts b/src/_utils/index.ts
index a56ef3672..38aeb6e49 100644
--- a/src/_utils/index.ts
+++ b/src/_utils/index.ts
@@ -9,7 +9,7 @@ export {
   render
 } from './vue'
 export type { MaybeArray } from './vue'
-export { warn, warnOnce, throwError } from './naive'
+export { warn, warnOnce, throwError, smallerSize, largerSize } from './naive'
 export { formatLength } from './css'
 export { createKey } from './cssr'
 export * from './composable'
diff --git a/src/_utils/naive/index.ts b/src/_utils/naive/index.ts
index 59dad4e9d..9c7f17bf4 100644
--- a/src/_utils/naive/index.ts
+++ b/src/_utils/naive/index.ts
@@ -1 +1,2 @@
 export { warn, warnOnce, throwError } from './warn'
+export { smallerSize, largerSize } from './prop'
diff --git a/src/_utils/naive/prop.ts b/src/_utils/naive/prop.ts
new file mode 100644
index 000000000..953c0f355
--- /dev/null
+++ b/src/_utils/naive/prop.ts
@@ -0,0 +1,29 @@
+export function largerSize (
+  size: 'tiny' | 'small' | 'medium' | 'large'
+): 'small' | 'medium' | 'large' | 'huge' {
+  switch (size) {
+    case 'tiny':
+      return 'small'
+    case 'small':
+      return 'medium'
+    case 'medium':
+      return 'large'
+    case 'large':
+      return 'huge'
+  }
+}
+
+export function smallerSize (
+  size: 'small' | 'medium' | 'large' | 'huge'
+): 'tiny' | 'small' | 'medium' | 'large' {
+  switch (size) {
+    case 'small':
+      return 'tiny'
+    case 'medium':
+      return 'small'
+    case 'large':
+      return 'medium'
+    case 'huge':
+      return 'large'
+  }
+}
diff --git a/src/dynamic-tags/index.js b/src/dynamic-tags/index.js
deleted file mode 100644
index b3cef11e3..000000000
--- a/src/dynamic-tags/index.js
+++ /dev/null
@@ -1,2 +0,0 @@
-/* istanbul ignore file */
-export { default as NDynamicTags } from './src/DynamicTags.vue'
diff --git a/src/dynamic-tags/index.ts b/src/dynamic-tags/index.ts
new file mode 100644
index 000000000..34a3b34cd
--- /dev/null
+++ b/src/dynamic-tags/index.ts
@@ -0,0 +1,2 @@
+/* istanbul ignore file */
+export { default as NDynamicTags } from './src/DynamicTags'
diff --git a/src/dynamic-tags/src/DynamicTags.tsx b/src/dynamic-tags/src/DynamicTags.tsx
new file mode 100644
index 000000000..a56902ae1
--- /dev/null
+++ b/src/dynamic-tags/src/DynamicTags.tsx
@@ -0,0 +1,202 @@
+import {
+  h,
+  defineComponent,
+  ref,
+  PropType,
+  CSSProperties,
+  computed,
+  nextTick
+} from 'vue'
+import commonProps from '../../tag/src/common-props'
+import { AddIcon } from '../../_base/icons'
+import { NButton } from '../../button'
+import { InputRef, NInput } from '../../input'
+import { NTag } from '../../tag'
+import { NBaseIcon } from '../../_base'
+import { useTheme, useFormItem, useLocale } from '../../_mixins'
+import type { ThemeProps } from '../../_mixins'
+import { warn, call, MaybeArray, smallerSize } from '../../_utils'
+import { dynamicTagsLight } from '../styles'
+import type { DynamicTagsTheme } from '../styles'
+
+import type { OnUpdateValue } from './interface'
+import style from './styles/index.cssr'
+
+export default defineComponent({
+  name: 'DynamicTags',
+  props: {
+    ...(useTheme.props as ThemeProps<DynamicTagsTheme>),
+    ...commonProps,
+    closable: {
+      type: Boolean,
+      default: true
+    },
+    value: {
+      type: Array as PropType<string[]>,
+      default: () => {
+        return []
+      }
+    },
+    tagStyle: {
+      type: Object as PropType<CSSProperties>,
+      default: () => {
+        return {
+          marginRight: '6px'
+        }
+      }
+    },
+    inputStyle: {
+      type: Object as PropType<CSSProperties>,
+      default: () => {
+        return {
+          width: '64px'
+        }
+      }
+    },
+    // eslint-disable-next-line vue/prop-name-casing
+    'onUpdate:value': [Function, Array] as PropType<MaybeArray<OnUpdateValue>>,
+    // deprecated
+    onChange: {
+      type: [Function, Array] as PropType<
+      MaybeArray<OnUpdateValue> | undefined
+      >,
+      validator: () => {
+        if (__DEV__) {
+          warn(
+            'dynamic-tags',
+            '`on-change` is deprecated, please use `on-update:value` instead.'
+          )
+        }
+        return true
+      },
+      default: undefined
+    }
+  },
+  setup (props) {
+    const { locale } = useLocale('DynamicTags')
+    const formItem = useFormItem(props)
+    const inputValueRef = ref('')
+    const showInputRef = ref(false)
+    const inputForceFocusedRef = ref(true)
+    const inputInstRef = ref<InputRef | null>(null)
+    const themeRef = useTheme(
+      'DynamicTags',
+      'DynamicTags',
+      style,
+      dynamicTagsLight,
+      props
+    )
+    const localizedAddRef = computed(() => {
+      return locale.value.add
+    })
+    const inputSizeRef = computed(() => {
+      return smallerSize(props.size)
+    })
+    function doChange (value: string[]): void {
+      const { onChange, 'onUpdate:value': onUpdateValue } = props
+      const { nTriggerFormInput, nTriggerFormChange } = formItem
+      if (onChange) call(onChange, value)
+      if (onUpdateValue) call(onUpdateValue, value)
+      nTriggerFormInput()
+      nTriggerFormChange()
+    }
+    function handleCloseClick (index: number): void {
+      const tags = props.value.slice(0)
+      tags.splice(index, 1)
+      doChange(tags)
+    }
+    function handleInputKeyUp (e: KeyboardEvent): void {
+      switch (e.code) {
+        case 'Enter':
+          handleInputConfirm()
+      }
+    }
+    function handleInputConfirm (): void {
+      if (inputValueRef.value) {
+        const tags = props.value.slice(0)
+        tags.push(inputValueRef.value)
+        doChange(tags)
+      }
+      showInputRef.value = false
+      inputForceFocusedRef.value = true
+      inputValueRef.value = ''
+    }
+    function handleInputBlur (): void {
+      handleInputConfirm()
+    }
+    function handleAddClick (): void {
+      showInputRef.value = true
+      void nextTick(() => {
+        inputInstRef.value?.focus()
+        inputForceFocusedRef.value = false
+      })
+    }
+    return {
+      inputInstRef,
+      localizedAdd: localizedAddRef,
+      inputSize: inputSizeRef,
+      inputValue: inputValueRef,
+      showInput: showInputRef,
+      inputForceFocused: inputForceFocusedRef,
+      handleInputKeyUp,
+      handleAddClick,
+      handleInputBlur,
+      handleCloseClick,
+      mergedTheme: themeRef
+    }
+  },
+  render () {
+    const { mergedTheme } = this
+    return (
+      <div class="n-dynamic-tags">
+        {this.value.map((tag, index) => (
+          <NTag
+            key={index}
+            unstableTheme={mergedTheme.peers.Tag}
+            unstableThemeOverrides={mergedTheme.overrides.Tag}
+            style={this.tagStyle}
+            type={this.type}
+            round={this.round}
+            size={this.size}
+            closable={this.closable}
+            disabled={this.disabled}
+            onClose={() => this.handleCloseClick(index)}
+          >
+            {{ defualt: () => tag }}
+          </NTag>
+        ))}
+        {this.showInput ? (
+          <NInput
+            ref="inputInstRef"
+            value={this.inputValue}
+            onUpdateValue={(v) => {
+              this.inputValue = v
+            }}
+            forceFocus={this.inputForceFocused}
+            unstableTheme={mergedTheme.peers.Input}
+            unstableThemeOverrides={mergedTheme.overrides.Input}
+            style={this.inputStyle}
+            size={this.inputSize}
+            placeholder=""
+            onKeyup={this.handleInputKeyUp}
+            onBlur={this.handleInputBlur}
+          />
+        ) : (
+          <NButton
+            dashed
+            unstableTheme={this.mergedTheme.peers.Button}
+            unstableThemeOverrides={this.mergedTheme.overrides.Button}
+            size={this.inputSize}
+            onClick={this.handleAddClick}
+          >
+            {{
+              icon: () => (
+                <NBaseIcon>{{ default: () => <AddIcon /> }}</NBaseIcon>
+              )
+            }}
+          </NButton>
+        )}
+      </div>
+    )
+  }
+})
diff --git a/src/dynamic-tags/src/DynamicTags.vue b/src/dynamic-tags/src/DynamicTags.vue
deleted file mode 100644
index d6f70846d..000000000
--- a/src/dynamic-tags/src/DynamicTags.vue
+++ /dev/null
@@ -1,184 +0,0 @@
-<template>
-  <div class="n-dynamic-tags">
-    <n-tag
-      v-for="(tag, index) in value"
-      :key="index"
-      :unstable-theme="mergedTheme.peers.Tag"
-      :unstable-theme-overrides="mergedTheme.overrides.Tag"
-      :style="tagStyle"
-      :type="type"
-      :round="round"
-      :size="size"
-      :closable="closable"
-      :disabled="disabled"
-      @close="handleCloseClick(index)"
-    >
-      {{ tag }}
-    </n-tag>
-    <n-input
-      v-if="inputVisible"
-      ref="tagInput"
-      v-model:value="inputValue"
-      :force-focus="inputForceFocused"
-      :unstable-theme="mergedTheme.peers.Input"
-      :unstable-theme-overrides="mergedTheme.overrides.Input"
-      :style="inputStyle"
-      :size="inputSize"
-      placeholder=""
-      @keyup.enter="handleInputConfirm"
-      @blur="handleInputBlur"
-    />
-    <n-button
-      v-else
-      dashed
-      :unstable-theme="mergedTheme.peers.Button"
-      :unstable-theme-overrides="mergedTheme.overrides.Button"
-      :size="inputSize"
-      @click="handleAddClick"
-    >
-      <template #icon>
-        <n-base-icon>
-          <add-icon />
-        </n-base-icon>
-      </template>
-    </n-button>
-  </div>
-</template>
-
-<script>
-import { defineComponent, ref } from 'vue'
-import commonProps from '../../tag/src/common-props'
-import { AddIcon } from '../../_base/icons'
-import { NButton } from '../../button'
-import { NTag } from '../../tag'
-import { NBaseIcon } from '../../_base'
-import { useTheme, useFormItem, useLocale } from '../../_mixins'
-import { warn, call } from '../../_utils'
-import { dynamicTagsLight } from '../styles'
-import style from './styles/index.cssr.js'
-
-export default defineComponent({
-  name: 'DynamicTags',
-  components: {
-    NTag,
-    NButton,
-    NBaseIcon,
-    AddIcon
-  },
-  props: {
-    ...useTheme.props,
-    ...commonProps,
-    closable: {
-      type: Boolean,
-      default: true
-    },
-    value: {
-      type: Array,
-      default: () => {
-        return []
-      }
-    },
-    tagStyle: {
-      type: Object,
-      default: () => {
-        return {
-          marginRight: '6px'
-        }
-      }
-    },
-    inputStyle: {
-      type: Object,
-      default: () => {
-        return {
-          width: '64px'
-        }
-      }
-    },
-    // eslint-disable-next-line vue/prop-name-casing
-    'onUpdate:value': {
-      type: [Function, Array],
-      default: undefined
-    },
-    // deprecated
-    onChange: {
-      validator () {
-        if (__DEV__) {
-          warn(
-            'dynamic-tags',
-            '`on-change` is deprecated, please use `on-update:value` instead.'
-          )
-        }
-        return true
-      },
-      default: undefined
-    }
-  },
-  setup (props) {
-    const themeRef = useTheme(
-      'DynamicTags',
-      'DynamicTags',
-      style,
-      dynamicTagsLight,
-      props
-    )
-    return {
-      ...useLocale('DynamicTags'),
-      inputValue: ref(''),
-      inputVisible: ref(false),
-      inputForceFocused: ref(true),
-      mergedTheme: themeRef,
-      ...useFormItem(props)
-    }
-  },
-  computed: {
-    localizedAdd () {
-      return this.locale.add
-    },
-    inputSize () {
-      const sizes = ['small', 'medium', 'large']
-      const tagSizeIndex = sizes.findIndex((size) => size === this.size)
-      const inputSizeIndex = tagSizeIndex - 1 > 0 ? tagSizeIndex - 1 : 0
-      return sizes[inputSizeIndex]
-    }
-  },
-  methods: {
-    doChange (value) {
-      const {
-        onChange,
-        'onUpdate:value': onUpdateValue,
-        nTriggerFormInput,
-        nTriggerFormChange
-      } = this
-      if (onChange) call(onChange, value)
-      if (onUpdateValue) call(onUpdateValue, value)
-      nTriggerFormInput()
-      nTriggerFormChange()
-    },
-    handleCloseClick (index) {
-      const tags = this.value.slice(0)
-      tags.splice(index, 1)
-      this.doChange(tags)
-    },
-    handleInputConfirm () {
-      if (this.inputValue) {
-        const tags = this.value.slice(0)
-        tags.push(this.inputValue)
-        this.doChange(tags)
-      }
-      this.inputVisible = false
-      this.inputForceFocused = true
-      this.inputValue = ''
-    },
-    handleInputBlur () {
-      this.handleInputConfirm()
-    },
-    handleAddClick () {
-      this.inputVisible = true
-      this.$nextTick(() => {
-        this.$refs.tagInput.focus()
-        this.inputForceFocused = false
-      })
-    }
-  }
-})
-</script>
diff --git a/src/dynamic-tags/src/interface.ts b/src/dynamic-tags/src/interface.ts
new file mode 100644
index 000000000..71e0cba61
--- /dev/null
+++ b/src/dynamic-tags/src/interface.ts
@@ -0,0 +1 @@
+export type OnUpdateValue = (value: string[]) => void
diff --git a/src/dynamic-tags/src/styles/index.cssr.js b/src/dynamic-tags/src/styles/index.cssr.ts
similarity index 100%
rename from src/dynamic-tags/src/styles/index.cssr.js
rename to src/dynamic-tags/src/styles/index.cssr.ts
diff --git a/src/dynamic-tags/styles/dark.js b/src/dynamic-tags/styles/dark.ts
similarity index 72%
rename from src/dynamic-tags/styles/dark.js
rename to src/dynamic-tags/styles/dark.ts
index 62741eeba..a0aa442c2 100644
--- a/src/dynamic-tags/styles/dark.js
+++ b/src/dynamic-tags/styles/dark.ts
@@ -2,8 +2,9 @@ import { tagDark } from '../../tag/styles'
 import { inputDark } from '../../input/styles'
 import { buttonDark } from '../../button/styles'
 import { commonDark } from '../../_styles/new-common'
+import type { DynamicTagsTheme } from './light'
 
-export default {
+const dynamicTagsDark: DynamicTagsTheme = {
   name: 'DynamicTags',
   common: commonDark,
   peers: {
@@ -12,3 +13,5 @@ export default {
     Tag: tagDark
   }
 }
+
+export default dynamicTagsDark
diff --git a/src/dynamic-tags/styles/index.js b/src/dynamic-tags/styles/index.js
deleted file mode 100644
index f7c25a81c..000000000
--- a/src/dynamic-tags/styles/index.js
+++ /dev/null
@@ -1,2 +0,0 @@
-export { default as dynamicTagsDark } from './dark.js'
-export { default as dynamicTagsLight } from './light.js'
diff --git a/src/dynamic-tags/styles/index.ts b/src/dynamic-tags/styles/index.ts
new file mode 100644
index 000000000..ec7464b19
--- /dev/null
+++ b/src/dynamic-tags/styles/index.ts
@@ -0,0 +1,3 @@
+export { default as dynamicTagsDark } from './dark'
+export { default as dynamicTagsLight } from './light'
+export type { DynamicTagsTheme, DynamicTagsThemeVars } from './light'
diff --git a/src/dynamic-tags/styles/light.js b/src/dynamic-tags/styles/light.ts
similarity index 53%
rename from src/dynamic-tags/styles/light.js
rename to src/dynamic-tags/styles/light.ts
index 9cbf5a281..1e88bda52 100644
--- a/src/dynamic-tags/styles/light.js
+++ b/src/dynamic-tags/styles/light.ts
@@ -2,8 +2,9 @@ import { tagLight } from '../../tag/styles'
 import { inputLight } from '../../input/styles'
 import { buttonLight } from '../../button/styles'
 import { commonLight } from '../../_styles/new-common'
+import { createTheme } from '../../_mixins'
 
-export default {
+const dynamicTagsLight = createTheme({
   name: 'DynamicTags',
   common: commonLight,
   peers: {
@@ -11,4 +12,9 @@ export default {
     Button: buttonLight,
     Tag: tagLight
   }
-}
+})
+
+export default dynamicTagsLight
+// eslint-disable-next-line @typescript-eslint/no-empty-interface
+export interface DynamicTagsThemeVars {}
+export type DynamicTagsTheme = typeof dynamicTagsLight
diff --git a/src/input/src/interface.ts b/src/input/src/interface.ts
index aeab4ab50..f58b996bd 100644
--- a/src/input/src/interface.ts
+++ b/src/input/src/interface.ts
@@ -1,4 +1,4 @@
-export type Size = 'small' | 'medium' | 'large'
+export type Size = 'tiny' | 'small' | 'medium' | 'large'
 
 // null is for clearable
 export type OnUpdateValue = <