diff --git a/api/@internal/component/ets/text.d.ts b/api/@internal/component/ets/text.d.ts
index 7f498aaccebcbe7bd88b3a2158b2a49fd1d0e737..7ae6963ab2e8faa03136ee1e8acf6d0325b30a6a 100644
--- a/api/@internal/component/ets/text.d.ts
+++ b/api/@internal/component/ets/text.d.ts
@@ -671,6 +671,46 @@ declare class TextAttribute extends CommonMethod<TextAttribute> {
    */
   lineSpacing(value: LengthMetrics): TextAttribute;
 
+  /**
+   * Set the minimum line height
+   *
+   * @param { LengthMetrics } value
+   * @returns { TextAttribute }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @form
+   * @atomicservice
+   * @since 21
+   */
+  minLineHeight(value: LengthMetrics): TextAttribute;
+
+  /**
+   * Set the maximum line height
+   *
+   * @param { LengthMetrics } value
+   * @returns { TextAttribute }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @form
+   * @atomicservice
+   * @since 21
+   */
+  maxLineHeight(value: LengthMetrics): TextAttribute;
+
+  /**
+   * Called when the vertical center mode of the font is set.
+   *
+   * @param { number | string | Resource } value
+   * @param { LineHeightOptions } [options] - Indicates the options of setting line height
+   * @returns { TextAttribute }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @form
+   * @atomicservice
+   * @since 21
+   */
+  lineHeight(value: number | string | Resource, options?: LineHeightOptions): TextAttribute;
+
   /**
    * Set font line spacing with options.
    *
diff --git a/api/@internal/component/ets/text_common.d.ts b/api/@internal/component/ets/text_common.d.ts
index 2f6b2461aee2a831d85a6da5e056dc9fe22c4250..f642e0243664d5df38bf233b27fa9a79c5456ed4 100644
--- a/api/@internal/component/ets/text_common.d.ts
+++ b/api/@internal/component/ets/text_common.d.ts
@@ -1998,6 +1998,30 @@ declare interface LineSpacingOptions {
   onlyBetweenLines?: boolean;
 }
 
+/**
+ * Defines the options of setting line height.
+ *
+ * @interface LineHeightOptions
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @crossplatform
+ * @from
+ * @atomicservice
+ * @since 21
+ */
+declare interface LineHeightOptions {
+  /**
+   * enable the multiply mode of line height setting.
+   *
+   * @type { boolean }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @from
+   * @atomicservice
+   * @since 21
+   */
+  enableMultiply: boolean;
+}
+
 /**
  * Defines the options of max lines.
  * @interface MaxLinesOptions