diff --git a/README.md b/README.md
index dd16cec8..a6f1ace1 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ npm run dev
 - Add/delete pages
 - Copy/paste pages
 - Adjust page order
+- Create sections
 - Background settings (solid color, gradient, image)
 - Set canvas size
 - Gridlines
diff --git a/README_zh.md b/README_zh.md
index 1e1aeefc..514026c5 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -40,6 +40,7 @@ npm run dev
 - 页面添加、删除
 - 页面顺序调整
 - 页面复制粘贴
+- 幻灯片分节
 - 背景设置（纯色、渐变、图片）
 - 设置画布尺寸
 - 网格线
diff --git a/src/hooks/useSlideHandler.ts b/src/hooks/useSlideHandler.ts
index 51acf7d1..762c6258 100644
--- a/src/hooks/useSlideHandler.ts
+++ b/src/hooks/useSlideHandler.ts
@@ -142,7 +142,25 @@ export default () => {
   const sortSlides = (newIndex: number, oldIndex: number) => {
     if (oldIndex === newIndex) return
   
-    const _slides = JSON.parse(JSON.stringify(slides.value))
+    const _slides: Slide[] = JSON.parse(JSON.stringify(slides.value))
+
+    const movingSlide = _slides[oldIndex]
+    const movingSlideSection = movingSlide.sectionTag
+    if (movingSlideSection) {
+      const movingSlideSectionNext = _slides[oldIndex + 1]
+      delete movingSlide.sectionTag
+      if (movingSlideSectionNext && !movingSlideSectionNext.sectionTag) {
+        movingSlideSectionNext.sectionTag = movingSlideSection
+      }
+    }
+    if (newIndex === 0) {
+      const firstSection = _slides[0].sectionTag
+      if (firstSection) {
+        delete _slides[0].sectionTag
+        movingSlide.sectionTag = firstSection
+      }
+    }
+
     const _slide = _slides[oldIndex]
     _slides.splice(oldIndex, 1)
     _slides.splice(newIndex, 0, _slide)
@@ -150,6 +168,77 @@ export default () => {
     slidesStore.updateSlideIndex(newIndex)
   }
 
+  const createSection = () => {
+    slidesStore.updateSlide({
+      sectionTag: {
+        id: nanoid(6),
+      },
+    })
+    addHistorySnapshot()
+  }
+
+  const removeSection = (sectionId: string) => {
+    if (!sectionId) return
+
+    const slide = slides.value.find(slide => slide.sectionTag?.id === sectionId)!
+    slidesStore.removeSlideProps({
+      id: slide.id,
+      propName: 'sectionTag',
+    })
+    addHistorySnapshot()
+  }
+
+  const removeAllSection = () => {
+    const _slides = slides.value.map(slide => {
+      if (slide.sectionTag) delete slide.sectionTag
+      return slide
+    })
+    slidesStore.setSlides(_slides)
+    addHistorySnapshot()
+  }
+
+  const removeSectionSlides = (sectionId: string) => {
+    let startIndex = 0
+    if (sectionId) {
+      startIndex = slides.value.findIndex(slide => slide.sectionTag?.id === sectionId)
+    }
+    const ids: string[] = []
+    
+    for (let i = startIndex; i < slides.value.length; i++) {
+      const slide = slides.value[i]
+      if(i !== startIndex && slide.sectionTag) break
+
+      ids.push(slide.id)
+    }
+
+    deleteSlide(ids)
+  }
+
+  const updateSectionTitle = (sectionId: string, title: string) => {
+    if (!title) return
+
+    if (sectionId === 'default') {
+      slidesStore.updateSlide({
+        sectionTag: {
+          id: nanoid(6),
+          title,
+        },
+      }, slides.value[0].id)
+    }
+    else {
+      const slide = slides.value.find(slide => slide.sectionTag?.id === sectionId)
+      if (!slide) return
+
+      slidesStore.updateSlide({
+        sectionTag: {
+          ...slide.sectionTag!,
+          title,
+        },
+      }, slide.id)
+    }
+    addHistorySnapshot()
+  }
+
   return {
     resetSlides,
     updateSlideIndex,
@@ -162,5 +251,10 @@ export default () => {
     cutSlide,
     selectAllSlide,
     sortSlides,
+    createSection,
+    removeSection,
+    removeAllSection,
+    removeSectionSlides,
+    updateSectionTitle,
   }
 }
\ No newline at end of file
diff --git a/src/store/slides.ts b/src/store/slides.ts
index 2311abf4..5028505d 100644
--- a/src/store/slides.ts
+++ b/src/store/slides.ts
@@ -6,7 +6,7 @@ import { slides } from '@/mocks/slides'
 import { theme } from '@/mocks/theme'
 import { layouts } from '@/mocks/layout'
 
-interface RemoveElementPropData {
+interface RemovePropData {
   id: string
   propName: string | string[]
 }
@@ -126,31 +126,56 @@ export const useSlidesStore = defineStore('slides', {
   
     addSlide(slide: Slide | Slide[]) {
       const slides = Array.isArray(slide) ? slide : [slide]
+      for (const slide of slides) {
+        if (slide.sectionTag) delete slide.sectionTag
+      }
+
       const addIndex = this.slideIndex + 1
       this.slides.splice(addIndex, 0, ...slides)
       this.slideIndex = addIndex
     },
   
-    updateSlide(props: Partial<Slide>) {
-      const slideIndex = this.slideIndex
+    updateSlide(props: Partial<Slide>, slideId?: string) {
+      const slideIndex = slideId ? this.slides.findIndex(item => item.id === slideId) : this.slideIndex
       this.slides[slideIndex] = { ...this.slides[slideIndex], ...props }
     },
   
+    removeSlideProps(data: RemovePropData) {
+      const { id, propName } = data
+
+      const slides = this.slides.map(slide => {
+        return slide.id === id ? omit(slide, propName) : slide
+      }) as Slide[]
+      this.slides = slides
+    },
+  
     deleteSlide(slideId: string | string[]) {
       const slidesId = Array.isArray(slideId) ? slideId : [slideId]
+      const slides: Slide[] = JSON.parse(JSON.stringify(this.slides))
   
       const deleteSlidesIndex = []
-      for (let i = 0; i < slidesId.length; i++) {
-        const index = this.slides.findIndex(item => item.id === slidesId[i])
+      for (const deletedId of slidesId) {
+        const index = slides.findIndex(item => item.id === deletedId)
         deleteSlidesIndex.push(index)
+
+        const deletedSlideSection = slides[index].sectionTag
+        if(deletedSlideSection) {
+          const handleSlideNext = slides[index + 1]
+          if(handleSlideNext && !handleSlideNext.sectionTag) {
+            delete slides[index].sectionTag
+            slides[index + 1].sectionTag = deletedSlideSection
+          }
+        }
+
+        slides.splice(index, 1)
       }
       let newIndex = Math.min(...deleteSlidesIndex)
   
-      const maxIndex = this.slides.length - slidesId.length - 1
+      const maxIndex = slides.length - 1
       if (newIndex > maxIndex) newIndex = maxIndex
   
       this.slideIndex = newIndex
-      this.slides = this.slides.filter(item => !slidesId.includes(item.id))
+      this.slides = slides
     },
   
     updateSlideIndex(index: number) {
@@ -183,7 +208,7 @@ export const useSlidesStore = defineStore('slides', {
       this.slides[slideIndex].elements = (elements as PPTElement[])
     },
   
-    removeElementProps(data: RemoveElementPropData) {
+    removeElementProps(data: RemovePropData) {
       const { id, propName } = data
       const propsNames = typeof propName === 'string' ? [propName] : propName
   
diff --git a/src/types/slides.ts b/src/types/slides.ts
index f9a514d8..3ece86fa 100644
--- a/src/types/slides.ts
+++ b/src/types/slides.ts
@@ -677,6 +677,11 @@ export interface Note {
   replies?: NoteReply[]
 }
 
+export interface SectionTag {
+  id: string
+  title?: string
+}
+
 /**
  * 幻灯片页面
  * 
@@ -702,6 +707,7 @@ export interface Slide {
   background?: SlideBackground
   animations?: PPTAnimation[]
   turningMode?: TurningMode
+  sectionTag?: SectionTag
 }
 
 /**
diff --git a/src/views/Editor/SelectPanel.vue b/src/views/Editor/SelectPanel.vue
index a54b62cf..db5f7e37 100644
--- a/src/views/Editor/SelectPanel.vue
+++ b/src/views/Editor/SelectPanel.vue
@@ -34,7 +34,7 @@
             @dblclick="enterEdit(groupItem.id)"
           >
             <input 
-              :id="`input-${groupItem.id}`" 
+              :id="`select-panel-input-${groupItem.id}`" 
               :value="groupItem.name || ELEMENT_TYPE_ZH[groupItem.type]" 
               class="input" 
               type="text" 
@@ -145,7 +145,7 @@ const saveElementName = (e: FocusEvent | KeyboardEvent, id: string) => {
 const enterEdit = (id: string) => {
   editingElId.value = id
   nextTick(() => {
-    const inputRef = document.querySelector(`#input-${id}`) as HTMLInputElement
+    const inputRef = document.querySelector(`#select-panel-input-${id}`) as HTMLInputElement
     inputRef.focus()
   })
 }
diff --git a/src/views/Editor/Thumbnails/index.vue b/src/views/Editor/Thumbnails/index.vue
index 60db8891..9d5e8b14 100644
--- a/src/views/Editor/Thumbnails/index.vue
+++ b/src/views/Editor/Thumbnails/index.vue
@@ -26,20 +26,38 @@
       itemKey="id"
     >
       <template #item="{ element, index }">
-        <div
-          class="thumbnail-item"
-          :class="{
-            'active': slideIndex === index,
-            'selected': selectedSlidesIndex.includes(index),
-          }"
-          @mousedown="$event => handleClickSlideThumbnail($event, index)"
-          @dblclick="enterScreening()"
-          v-contextmenu="contextmenusThumbnailItem"
-        >
-          <div class="label" :class="{ 'offset-left': index >= 99 }">{{ fillDigit(index + 1, 2) }}</div>
-          <ThumbnailSlide class="thumbnail" :slide="element" :size="120" :visible="index < slidesLoadLimit" />
-
-          <div class="note-flag" v-if="element.notes && element.notes.length" @click="openNotesPanel()">{{ element.notes.length }}</div>
+        <div class="thumbnail-container">
+          <div class="section-title"
+            :data-section-id="element?.sectionTag?.id || ''"
+            v-if="element.sectionTag || (hasSection && index === 0)" 
+            v-contextmenu="contextmenusSection"
+          >
+            <input 
+              :id="`section-title-input-${element?.sectionTag?.id || 'default'}`" 
+              type="text"
+              :value="element?.sectionTag?.title || ''"
+              placeholder="输入节名称"
+              @blur="$event => saveSection($event)"
+              @keydown.enter.stop="$event => saveSection($event)"
+              v-if="editingSectionId === element?.sectionTag?.id || (index === 0 && editingSectionId === 'default')"
+            >
+            <span class="text" v-else>{{ element?.sectionTag ? (element?.sectionTag?.title || '无标题节') : '默认节' }}</span>
+          </div>
+          <div
+            class="thumbnail-item"
+            :class="{
+              'active': slideIndex === index,
+              'selected': selectedSlidesIndex.includes(index),
+            }"
+            @mousedown="$event => handleClickSlideThumbnail($event, index)"
+            @dblclick="enterScreening()"
+            v-contextmenu="contextmenusThumbnailItem"
+          >
+            <div class="label" :class="{ 'offset-left': index >= 99 }">{{ fillDigit(index + 1, 2) }}</div>
+            <ThumbnailSlide class="thumbnail" :slide="element" :size="120" :visible="index < slidesLoadLimit" />
+  
+            <div class="note-flag" v-if="element.notes && element.notes.length" @click="openNotesPanel()">{{ element.notes.length }}</div>
+          </div>
         </div>
       </template>
     </Draggable>
@@ -68,7 +86,7 @@ const mainStore = useMainStore()
 const slidesStore = useSlidesStore()
 const keyboardStore = useKeyboardStore()
 const { selectedSlidesIndex: _selectedSlidesIndex, thumbnailsFocus } = storeToRefs(mainStore)
-const { slides, slideIndex } = storeToRefs(slidesStore)
+const { slides, slideIndex, currentSlide } = storeToRefs(slidesStore)
 const { ctrlKeyState, shiftKeyState } = storeToRefs(keyboardStore)
 
 const { slidesLoadLimit } = useLoadSlides()
@@ -77,6 +95,10 @@ const selectedSlidesIndex = computed(() => [..._selectedSlidesIndex.value, slide
 
 const presetLayoutPopoverVisible = ref(false)
 
+const hasSection = computed(() => {
+  return slides.value.some(item => item.sectionTag)
+})
+
 const {
   copySlide,
   pasteSlide,
@@ -87,6 +109,11 @@ const {
   cutSlide,
   selectAllSlide,
   sortSlides,
+  createSection,
+  removeSection,
+  removeAllSection,
+  removeSectionSlides,
+  updateSectionTitle,
 } = useSlideHandler()
 
 // 页面被切换时
@@ -187,6 +214,49 @@ const openNotesPanel = () => {
   mainStore.setNotesPanelState(true)
 }
 
+const editingSectionId = ref('')
+
+const editSection = (id: string) => {
+  mainStore.setDisableHotkeysState(true)
+  editingSectionId.value = id || 'default'
+
+  nextTick(() => {
+    const inputRef = document.querySelector(`#section-title-input-${id || 'default'}`) as HTMLInputElement
+    inputRef.focus()
+  })
+}
+
+const saveSection = (e: FocusEvent | KeyboardEvent) => {
+  const title = (e.target as HTMLInputElement).value
+  updateSectionTitle(editingSectionId.value, title)
+
+  editingSectionId.value = ''
+  mainStore.setDisableHotkeysState(false)
+}
+
+const contextmenusSection = (el: HTMLElement): ContextmenuItem[] => {
+  const sectionId = el.dataset.sectionId!
+
+  return [
+    {
+      text: '删除节',
+      handler: () => removeSection(sectionId),
+    },
+    {
+      text: '删除节和幻灯片',
+      handler: () => removeSectionSlides(sectionId),
+    },
+    {
+      text: '删除所有节',
+      handler: removeAllSection,
+    },
+    {
+      text: '重命名节',
+      handler: () => editSection(sectionId),
+    },
+  ]
+}
+
 const { enterScreening, enterScreeningFromStart } = useScreening()
 
 const contextmenusThumbnails = (): ContextmenuItem[] => {
@@ -252,6 +322,11 @@ const contextmenusThumbnailItem = (): ContextmenuItem[] => {
       subText: 'Delete',
       handler: () => deleteSlide(),
     },
+    {
+      text: '增加节',
+      handler: createSection,
+      disable: !!currentSlide.value.sectionTag,
+    },
     { divider: true },
     {
       text: '从当前放映',
@@ -334,20 +409,27 @@ const contextmenusThumbnailItem = (): ContextmenuItem[] => {
     .thumbnail {
       outline-color: $themeColor;
     }
+    .note-flag {
+      background-color: $themeColor;
+
+      &::after {
+        border-top-color: $themeColor;
+      }
+    }
   }
 
   .note-flag {
-    width: 18px;
-    height: 14px;
-    border-radius: 2px;
+    width: 16px;
+    height: 12px;
+    border-radius: 1px;
     position: absolute;
-    left: 7px;
-    top: 10px;
+    left: 8px;
+    top: 13px;
     font-size: 8px;
-    background-color: $themeColor;
+    background-color: rgba($color: $themeColor, $alpha: .75);
     color: #fff;
     text-align: center;
-    line-height: 14px;
+    line-height: 12px;
     cursor: pointer;
 
     &::after {
@@ -355,10 +437,10 @@ const contextmenusThumbnailItem = (): ContextmenuItem[] => {
       width: 0;
       height: 0;
       position: absolute;
-      top: 13px;
-      left: 5px;
+      top: 10px;
+      left: 4px;
       border: 4px solid transparent;
-      border-top-color: $themeColor;
+      border-top-color: rgba($color: $themeColor, $alpha: .75);
     }
   }
 }
@@ -385,4 +467,47 @@ const contextmenusThumbnailItem = (): ContextmenuItem[] => {
   text-align: center;
   color: #666;
 }
+.section-title {
+  height: 26px;
+  font-size: 12px;
+  padding: 6px 8px 2px 18px;
+  color: #555;
+
+  &.contextmenu-active {
+    color: $themeColor;
+
+    .text::before {
+      border-bottom-color: $themeColor;
+      border-right-color: $themeColor;
+    }
+  }
+
+  .text {
+    width: 100%;
+    display: inline-block;
+    display: flex;
+    align-items: center;
+    position: relative;
+    @include ellipsis-oneline();
+
+    &::before {
+      content: '';
+      width: 0;
+      height: 0;
+      border-top: 3px solid transparent;
+      border-left: 3px solid transparent;
+      border-bottom: 3px solid #555;
+      border-right: 3px solid #555;
+      margin-right: 5px;
+    }
+  }
+
+  input {
+    width: 100%;
+    border: 0;
+    outline: 0;
+    padding: 0;
+    font-size: 12px;
+  }
+}
 </style>
\ No newline at end of file