diff --git a/zh-cn/application-dev/reference/apis-arkui/arkui-ts/figures/richEditorLineBreak.gif b/zh-cn/application-dev/reference/apis-arkui/arkui-ts/figures/richEditorLineBreak.gif
new file mode 100644
index 0000000000000000000000000000000000000000..905f7eeefbaad508a55b27081e12d773a735874b
Binary files /dev/null and b/zh-cn/application-dev/reference/apis-arkui/arkui-ts/figures/richEditorLineBreak.gif differ
diff --git a/zh-cn/application-dev/reference/apis-arkui/arkui-ts/ts-appendix-enums.md b/zh-cn/application-dev/reference/apis-arkui/arkui-ts/ts-appendix-enums.md
index 5d6f34c85ba376f23f9f0d20f020566e6392a508..87dbd980e3ff81d275e8bc89f0def618a91fda44 100644
--- a/zh-cn/application-dev/reference/apis-arkui/arkui-ts/ts-appendix-enums.md
+++ b/zh-cn/application-dev/reference/apis-arkui/arkui-ts/ts-appendix-enums.md
@@ -636,6 +636,13 @@ Nullable\<T> {
 | BREAK_ALL | 对于Non-CJK的文本，可在任意2个字符间断行。对于CJK与NORMAL效果一致。|
 | BREAK_WORD | 与BREAK_ALL相同，对于Non-CJK的文本可在任意2个字符间断行，一行文本中有断行破发点（如空白符）时，优先按破发点换行，保障单词优先完整显示。若整一行文本均无断行破发点时，则在任意2个字符间断行。对于CJK与NORMAL效果一致。|
 
+## LineBreakStrategy<sup>12+</sup>
+| 名称         | 描述                                                         |
+| ------------ | ------------------------------------------------------------ |
+| GREEDY       | 使每一行尽量显示多的字符，直到这一行不能显示更多字符再进行折行。 |
+| HIGH_QUALITY | 在BALANCED的基础上，尽可能填满行，在最后一行的权重上比较低，可能会出现最后一行留白比较多。 |
+| BALANCED     | 尽可能保证在不拆词的情况下，使一个段落中每一行的宽度相同。   |
+
 ## GestureJudgeResult<sup>11+</sup>
 | 名称  | 描述                                   |
 | ----- | -------------------------------------- |
diff --git a/zh-cn/application-dev/reference/apis-arkui/arkui-ts/ts-basic-components-richeditor.md b/zh-cn/application-dev/reference/apis-arkui/arkui-ts/ts-basic-components-richeditor.md
index ff72910774c0fd9d5bd8bc4bdd8234c9727e3fe0..8dc05d42d2cc7773a9303bd1bbea1eeacb3cea79 100644
--- a/zh-cn/application-dev/reference/apis-arkui/arkui-ts/ts-basic-components-richeditor.md
+++ b/zh-cn/application-dev/reference/apis-arkui/arkui-ts/ts-basic-components-richeditor.md
@@ -910,6 +910,7 @@ SymbolSpan样式选项。
 | textAlign     | [TextAlign](ts-appendix-enums.md#textalign) | 否    | 设置文本段落在水平方向的对齐方式。  |
 | leadingMargin | [Dimension](ts-types.md#dimension10) \| [LeadingMarginPlaceholder](#leadingmarginplaceholder11) | 否    | 设置文本段落缩进，不支持设置百分比，图片放在段首时不支持。 |
 | wordBreak<sup>12+</sup> |  [WordBreak](ts-appendix-enums.md#wordbreak11) | 否    | 设置断行规则。 <br />默认值：WordBreak.BREAK_WORD  |
+| lineBreakStrategy<sup>12+</sup> | [LineBreakStrategy](ts-appendix-enums.md#linebreakstrategy12) | 否 | 设置折行规则。 <br />默认值：LineBreakStrategy.GREEDY<br />在wordBreak不等于breakAll的时候生效，不支持连字符，当开发者配置为非法属性值时，会按照默认值GREEDY生效。 |
 
 ## LeadingMarginPlaceholder<sup>11+</sup>
 
@@ -3420,4 +3421,82 @@ struct SoftKeyboardEnterTypeExample {
 }
 ```
 
-![SoftKeyboardEnterType](figures/richeditorentertype.gif)
\ No newline at end of file
+![SoftKeyboardEnterType](figures/richeditorentertype.gif)
+
+### 示例19
+lineBreakStrategy属性值设置、更新、查询使用示例。
+
+```ts
+@Entry
+@Component
+struct LineBreakStrategyExample {
+  controller: RichEditorController = new RichEditorController();
+  private spanParagraphs: RichEditorParagraphResult[] = [];
+  @State lineBreakOptionStr: string[] = ['GREEDY', 'HIGH_QUALITY', 'BALANCED']
+  @State attributeValue: string = ""
+  @State testStr: string = "0123456789,0123456789,0123456789,0123456789,0123456789."
+  build() {
+    Column() {
+      RichEditor({ controller: this.controller })
+        .onReady(() => {
+          this.controller.addTextSpan(this.testStr, {
+            style: {
+              fontColor: Color.Black,
+              fontSize: "32",
+            },
+            paragraphStyle: {
+              textAlign: TextAlign.Start,
+              lineBreakStrategy: LineBreakStrategy.GREEDY
+            }
+          })
+        })
+        .width(400)
+        .height(300)
+        .margin({bottom:20})
+        .draggable(false)
+      Column(){
+        Text('linebreak属性值为：' + this.attributeValue).fontSize(20).fontColor(Color.Black)
+      }.margin({bottom: 10})
+      Column({ space: 10 }) {
+        Button("设置折行类型GREEDY").onClick(() => {
+          this.controller.updateParagraphStyle({ start: -1, end: -1,
+            style: {
+              lineBreakStrategy: LineBreakStrategy.GREEDY,
+            }
+          })
+        })
+        Button("设置折行类型HIGH_QUALITY").onClick(() => {
+          this.controller.updateParagraphStyle({ start: -1, end: -1,
+            style: {
+              lineBreakStrategy: LineBreakStrategy.HIGH_QUALITY,
+            }
+          })
+        })
+        Button("设置折行类型BALANCED").onClick(() => {
+          this.controller.updateParagraphStyle({ start: -1, end: -1,
+            style: {
+              lineBreakStrategy: LineBreakStrategy.BALANCED,
+            }
+          })
+        })
+        Divider()
+        Row(){
+          Button("获取linebreak属性值").onClick(() => {
+            this.spanParagraphs = this.controller.getParagraphs({ start: -1, end: -1 })
+            console.log("RichEditor getParagraphs:" + JSON.stringify(this.spanParagraphs))
+            this.spanParagraphs.forEach(item => {
+              if(typeof(item as RichEditorParagraphResult)['style'] != 'undefined'){
+                this.attributeValue = ""
+                console.info('lineBreakStrategy:'+ JSON.stringify((item as RichEditorParagraphResult)['style']))
+                this.attributeValue += this.lineBreakOptionStr[Number((item as RichEditorParagraphResult)['style'].lineBreakStrategy)];
+              }
+            })
+          })
+        }
+      }
+    }
+  }
+}
+```
+
+![LineBreakStrategy](figures\richEditorLineBreak.gif)