diff --git a/packages/components/slider/src/button.ts b/packages/components/slider/src/button.ts
index 14c68ca9c4..117097f208 100644
--- a/packages/components/slider/src/button.ts
+++ b/packages/components/slider/src/button.ts
@@ -1,7 +1,7 @@
 import { placements } from '@popperjs/core'
 import { buildProps, isNumber } from '@element-plus/utils'
 import { UPDATE_MODEL_EVENT } from '@element-plus/constants'
-import type { ExtractPropTypes, Ref } from 'vue'
+import type { ComponentPublicInstance, ExtractPropTypes, Ref } from 'vue'
 import type Button from './button.vue'
 
 export const sliderButtonProps = buildProps({
@@ -24,7 +24,7 @@ export const sliderButtonEmits = {
 }
 export type SliderButtonEmits = typeof sliderButtonEmits
 
-export type SliderButtonInstance = InstanceType<typeof Button>
+export type SliderButtonInstance = ComponentPublicInstance<typeof Button>
 
 export type ButtonRefs = Record<
   'firstButton' | 'secondButton',
diff --git a/packages/components/slider/src/composables/use-slider-button.ts b/packages/components/slider/src/composables/use-slider-button.ts
index 9613d1f10c..0519bad852 100644
--- a/packages/components/slider/src/composables/use-slider-button.ts
+++ b/packages/components/slider/src/composables/use-slider-button.ts
@@ -11,6 +11,7 @@ import type {
   SliderButtonInitData,
   SliderButtonProps,
 } from '../button'
+import type { TooltipInstance } from '@element-plus/components/tooltip'
 
 const { left, down, right, up, home, end, pageUp, pageDown } = EVENT_CODE
 
@@ -19,8 +20,7 @@ const useTooltip = (
   formatTooltip: Ref<SliderProps['formatTooltip']>,
   showTooltip: Ref<SliderProps['showTooltip']>
 ) => {
-  // TODO any is temporary, replace with `TooltipInstance` later
-  const tooltip = ref<any>()
+  const tooltip = ref<TooltipInstance>()
 
   const tooltipVisible = ref(false)