diff --git a/packages/core/src/Combobox/ComboboxInput.vue b/packages/core/src/Combobox/ComboboxInput.vue
index 6675af13b..c68841a2f 100644
--- a/packages/core/src/Combobox/ComboboxInput.vue
+++ b/packages/core/src/Combobox/ComboboxInput.vue
@@ -13,6 +13,7 @@ export interface ComboboxInputProps extends ListboxFilterProps {
 
 <script setup lang="ts">
 import { injectComboboxRootContext } from './ComboboxRoot.vue'
+import { injectListboxRootContext } from '@/Listbox/ListboxRoot.vue'
 import { ListboxFilter } from '@/Listbox'
 
 const props = withDefaults(defineProps<ComboboxInputProps>(), {
@@ -21,6 +22,7 @@ const props = withDefaults(defineProps<ComboboxInputProps>(), {
 const emits = defineEmits<ComboboxInputEmits>()
 
 const rootContext = injectComboboxRootContext()
+const listboxContext = injectListboxRootContext()
 const { primitiveElement, currentElement } = usePrimitiveElement()
 
 const modelValue = useVModel(props, 'modelValue', emits, {
@@ -37,12 +39,18 @@ function handleKeyDown(ev: KeyboardEvent) {
     rootContext.onOpenChange(true)
 }
 
-function handleInput(event: Event) {
+function handleInput(event: InputEvent) {
+  const target = event.target as HTMLInputElement
   if (!rootContext.open.value) {
     rootContext.onOpenChange(true)
+    nextTick(() => {
+      if (target.value) {
+        rootContext.filterState.search = target.value
+        listboxContext.highlightFirstItem(event)
+      }
+    })
   }
   else {
-    const target = event.target as HTMLInputElement
     rootContext.filterState.search = target.value
   }
 }
diff --git a/packages/core/src/Combobox/ComboboxItem.vue b/packages/core/src/Combobox/ComboboxItem.vue
index d33da63bd..a03aec8b9 100644
--- a/packages/core/src/Combobox/ComboboxItem.vue
+++ b/packages/core/src/Combobox/ComboboxItem.vue
@@ -43,7 +43,12 @@ if (!props.value) {
   )
 }
 
-const isRender = computed(() => rootContext.ignoreFilter.value ? true : !rootContext.filterState.search ? true : rootContext.filterState.filtered.items.get(id)! > 0)
+const isRender = computed(() => {
+  if (rootContext.isVirtual.value || rootContext.ignoreFilter.value || !rootContext.filterState.search)
+    return true
+  else
+    return rootContext.filterState.filtered.items.get(id)! > 0
+})
 
 onMounted(() => {
   // textValue to perform filter
diff --git a/packages/core/src/Combobox/ComboboxViewport.vue b/packages/core/src/Combobox/ComboboxViewport.vue
index 4de7bd45f..da1155358 100644
--- a/packages/core/src/Combobox/ComboboxViewport.vue
+++ b/packages/core/src/Combobox/ComboboxViewport.vue
@@ -3,6 +3,7 @@ import type { PrimitiveProps } from '@/Primitive'
 import { useForwardExpose } from '@/shared'
 import { useNonce } from '@/shared/useNonce'
 import { toRefs } from 'vue'
+import { injectComboboxRootContext } from './ComboboxRoot.vue'
 
 export interface ComboboxViewportProps extends PrimitiveProps {
   /**
@@ -20,6 +21,8 @@ const { forwardRef } = useForwardExpose()
 
 const { nonce: propNonce } = toRefs(props)
 const nonce = useNonce(propNonce)
+
+const rootContext = injectComboboxRootContext()
 </script>
 
 <template>
@@ -33,7 +36,7 @@ const nonce = useNonce(propNonce)
       // `selectedItem.offsetTop` in calculations, the offset is relative to the viewport
       // (independent of the scrollUpButton).
       position: 'relative',
-      flex: 1,
+      flex: rootContext.isVirtual.value ? undefined : 1,
       overflow: 'auto',
     }"
   >
diff --git a/packages/core/src/Combobox/ComboboxVirtualizer.vue b/packages/core/src/Combobox/ComboboxVirtualizer.vue
index af5fa0af8..5e9d775fe 100644
--- a/packages/core/src/Combobox/ComboboxVirtualizer.vue
+++ b/packages/core/src/Combobox/ComboboxVirtualizer.vue
@@ -3,17 +3,14 @@ export interface ComboboxVirtualizerProps<T extends AcceptableValue = Acceptable
 </script>
 
 <script setup lang="ts" generic="T extends AcceptableValue = AcceptableValue">
-import type { ListboxVirtualizerProps } from '@/Listbox'
-import { ListboxVirtualizer } from '@/Listbox'
+import ListboxVirtualizer, { type ListboxVirtualizerProps, type ListboxVirtualizerSlots } from '@/Listbox/ListboxVirtualizer.vue'
 import type { AcceptableValue } from '@/shared/types'
 import { injectComboboxRootContext } from './ComboboxRoot.vue'
 
 const props = defineProps<ComboboxVirtualizerProps<T>>()
 
 defineSlots<{
-  default: (props: {
-    option: T
-  }) => any
+  default: (props: ListboxVirtualizerSlots<T>) => any
 }>()
 
 const rootContext = injectComboboxRootContext()
@@ -23,9 +20,9 @@ rootContext.isVirtual.value = true
 
 <template>
   <ListboxVirtualizer
-    v-slot="{ option }"
+    v-slot="slotProps"
     v-bind="props"
   >
-    <slot :option="option" />
+    <slot v-bind="slotProps" />
   </ListboxVirtualizer>
 </template>
diff --git a/packages/core/src/Combobox/story/ComboboxVirtual.story.vue b/packages/core/src/Combobox/story/ComboboxVirtual.story.vue
index eb7a86ec6..567f29a90 100644
--- a/packages/core/src/Combobox/story/ComboboxVirtual.story.vue
+++ b/packages/core/src/Combobox/story/ComboboxVirtual.story.vue
@@ -3,18 +3,21 @@ import { computed, ref } from 'vue'
 import { ComboboxAnchor, ComboboxContent, ComboboxInput, ComboboxItem, ComboboxItemIndicator, ComboboxRoot, ComboboxTrigger, ComboboxViewport, ComboboxVirtualizer } from '..'
 import { Icon } from '@iconify/vue'
 import { countryList } from '@/shared/constant'
+import { useFilter } from '@/shared'
+
+const { startsWith } = useFilter({ sensitivity: 'base' })
 
 const filterText = ref('')
 const filteredOptions = computed(() => {
   const options = countryList.map(a => ({ label: a, value: a }))
-  return filterText.value ? options.filter(item => item.label.toLowerCase().includes(filterText.value.toLowerCase())) : options
+  return filterText.value ? options.filter(opt => startsWith(opt.label, filterText.value)) : options
 })
 </script>
 
 <template>
   <Story
     title="Combobox/Virtual"
-    :layout="{ type: 'single', iframe: 'false' }"
+    :layout="{ type: 'single', iframe: false }"
   >
     <Variant
       title="default"
@@ -38,29 +41,28 @@ const filteredOptions = computed(() => {
               />
             </ComboboxTrigger>
           </ComboboxAnchor>
-          <ComboboxContent class="absolute mt-2 p-[5px] max-h-[500px] w-[200px] bg-white rounded shadow-[0px_10px_38px_-10px_rgba(22,_23,_24,_0.35),_0px_10px_20px_-15px_rgba(22,_23,_24,_0.2)] will-change-[opacity,transform] data-[side=top]:animate-slideDownAndFade data-[side=right]:animate-slideLeftAndFade data-[side=bottom]:animate-slideUpAndFade data-[side=left]:animate-slideRightAndFade">
-            <ComboboxViewport>
-              <div>
-                <ComboboxVirtualizer
-                  v-slot="{ option }"
-                  :options="filteredOptions"
-                  :estimate-size="25"
+          <ComboboxContent class="absolute mt-2 p-[5px] w-[200px] bg-white rounded shadow-[0px_10px_38px_-10px_rgba(22,_23,_24,_0.35),_0px_10px_20px_-15px_rgba(22,_23,_24,_0.2)] will-change-[opacity,transform] data-[side=top]:animate-slideDownAndFade data-[side=right]:animate-slideLeftAndFade data-[side=bottom]:animate-slideUpAndFade data-[side=left]:animate-slideRightAndFade">
+            <ComboboxViewport class="max-h-80 overflow-y-auto">
+              <ComboboxVirtualizer
+                v-slot="{ option }"
+                :options="filteredOptions"
+                :estimate-size="25"
+                :text-content="(opt) => opt.label"
+              >
+                <ComboboxItem
+                  class="text-[13px] w-full leading-none text-grass11 rounded-[3px] flex items-center h-[25px] pr-[35px] pl-[25px] relative select-none data-[disabled]:text-mauve8 data-[disabled]:pointer-events-none data-[highlighted]:outline-none data-[highlighted]:bg-grass9 data-[highlighted]:text-grass1"
+                  :value="option"
                 >
-                  <ComboboxItem
-                    class="text-[13px] w-full leading-none text-grass11 rounded-[3px] flex items-center h-[25px] pr-[35px] pl-[25px] relative select-none data-[disabled]:text-mauve8 data-[disabled]:pointer-events-none data-[highlighted]:outline-none data-[highlighted]:bg-grass9 data-[highlighted]:text-grass1"
-                    :value="option"
+                  <ComboboxItemIndicator
+                    class="absolute left-0 w-[25px] inline-flex items-center justify-center"
                   >
-                    <ComboboxItemIndicator
-                      class="absolute left-0 w-[25px] inline-flex items-center justify-center"
-                    >
-                      <Icon icon="radix-icons:check" />
-                    </ComboboxItemIndicator>
-                    <span>
-                      {{ option.label }}
-                    </span>
-                  </ComboboxItem>
-                </ComboboxVirtualizer>
-              </div>
+                    <Icon icon="radix-icons:check" />
+                  </ComboboxItemIndicator>
+                  <span class="truncate">
+                    {{ option.label }}
+                  </span>
+                </ComboboxItem>
+              </ComboboxVirtualizer>
             </ComboboxViewport>
           </ComboboxContent>
         </ComboboxRoot>
diff --git a/packages/core/src/Listbox/ListboxRoot.vue b/packages/core/src/Listbox/ListboxRoot.vue
index 19fa80798..68a10c1bc 100644
--- a/packages/core/src/Listbox/ListboxRoot.vue
+++ b/packages/core/src/Listbox/ListboxRoot.vue
@@ -179,8 +179,12 @@ function highlightItem(value: T) {
 }
 
 function onKeydownEnter(event: KeyboardEvent) {
-  if (highlightedElement.value)
+  if (highlightedElement.value) {
+    event.preventDefault()
+    event.stopPropagation()
+
     highlightedElement.value.click()
+  }
 }
 
 function onKeydownTypeAhead(event: KeyboardEvent) {
@@ -293,14 +297,12 @@ function handleMultipleReplace(event: KeyboardEvent, targetEl: HTMLElement) {
 }
 
 async function highlightSelected(event?: Event) {
+  await nextTick()
   if (isVirtual.value) {
-    nextTick(() => {
-      // Trigger on nextTick for Virtualizer to be mounted
-      virtualFocusHook.trigger(event)
-    })
+    // Trigger on nextTick for Virtualizer to be mounted
+    virtualFocusHook.trigger(event)
   }
   else {
-    await nextTick()
     const collection = getCollectionItem()
     const item = collection.find(i => i.dataset.state === 'checked')
     if (item)
diff --git a/packages/core/src/Listbox/ListboxVirtualizer.vue b/packages/core/src/Listbox/ListboxVirtualizer.vue
index caefdcf41..c1e008623 100644
--- a/packages/core/src/Listbox/ListboxVirtualizer.vue
+++ b/packages/core/src/Listbox/ListboxVirtualizer.vue
@@ -7,11 +7,18 @@ export interface ListboxVirtualizerProps<T extends AcceptableValue = AcceptableV
   /** text content for each item to achieve type-ahead feature */
   textContent?: (option: T) => string
 }
+
+export interface ListboxVirtualizerSlots<T> {
+  option: T
+  virtualizer: Virtualizer<Element | Window, Element>
+  virtualItem: VirtualItem<Element>
+
+}
 </script>
 
 <script setup lang="ts" generic="T extends AcceptableValue = AcceptableValue">
 import { type VirtualItem, type Virtualizer, useVirtualizer } from '@tanstack/vue-virtual'
-import { type Ref, cloneVNode, computed, useSlots } from 'vue'
+import { Fragment, type Ref, type VNode, cloneVNode, computed, useSlots } from 'vue'
 import { injectListboxRootContext } from './ListboxRoot.vue'
 import { compare, queryCheckedElement } from './utils'
 import { MAP_KEY_TO_FOCUS_INTENT } from '@/RovingFocus/utils'
@@ -25,11 +32,7 @@ import type { AcceptableValue } from '@/shared/types'
 const props = defineProps<ListboxVirtualizerProps<T>>()
 
 defineSlots<{
-  default: (props: {
-    option: T
-    virtualizer: Virtualizer<Element | Window, Element>
-    virtualItem: VirtualItem<Element>
-  }) => any
+  default: (props: ListboxVirtualizerSlots<T>) => any
 }>()
 
 const slots = useSlots()
@@ -69,13 +72,19 @@ const virtualizer = useVirtualizer(
 )
 
 const virtualizedItems = computed(() => virtualizer.value.getVirtualItems().map((item) => {
+  const defaultNode = slots.default!({
+    option: props.options[item.index],
+    virtualizer: virtualizer.value,
+    virtualItem: item,
+  })[0]
+
+  const targetNode = defaultNode.type === Fragment && Array.isArray(defaultNode.children)
+    ? defaultNode.children[0] as VNode
+    : defaultNode
+
   return {
     item,
-    is: cloneVNode(slots.default!({
-      option: props.options[item.index],
-      virtualizer: virtualizer.value,
-      virtualItem: item,
-    })![0], {
+    is: cloneVNode(targetNode, {
       'key': `${item.key}`,
       'data-index': item.index,
       'aria-setsize': props.options.length,
@@ -111,6 +120,9 @@ rootContext.virtualFocusHook.on((event) => {
       }
     })
   }
+  else {
+    rootContext.highlightFirstItem(event as InputEvent)
+  }
 })
 
 rootContext.virtualHighlightHook.on((value) => {
@@ -196,7 +208,8 @@ rootContext.virtualKeydownHook.on((event) => {
     requestAnimationFrame(() => {
       const items = getItems()
       const item = intent === 'first' ? items[0] : items[items.length - 1]
-      rootContext.changeHighlight(item.ref)
+      if (item)
+        rootContext.changeHighlight(item.ref)
     })
   }
   else if (!intent && !isMetaKey) {
diff --git a/packages/core/src/Listbox/story/ListboxVirtual.story.vue b/packages/core/src/Listbox/story/ListboxVirtual.story.vue
index 16a8b4a38..aef3a9371 100644
--- a/packages/core/src/Listbox/story/ListboxVirtual.story.vue
+++ b/packages/core/src/Listbox/story/ListboxVirtual.story.vue
@@ -16,8 +16,8 @@ const filteredOptions = computed(() => {
     :layout="{ type: 'grid', iframe: false, width: '50%' }"
   >
     <Variant title="Basic">
-      <ListboxRoot class="w-48 h-72 overflow-auto p-1 rounded-lg border bg-white text-green9 mx-auto">
-        <ListboxContent>
+      <ListboxRoot class="w-48 p-1 rounded-lg border bg-white text-green9 mx-auto">
+        <ListboxContent class="h-72 overflow-auto">
           <ListboxVirtualizer
             v-slot="{ option }"
             :options="filteredOptions"