diff --git a/api/@internal/component/ets/text.d.ts b/api/@internal/component/ets/text.d.ts
index 2b0b4ee1443d53316ff5a937caff9141bab13775..7f498aaccebcbe7bd88b3a2158b2a49fd1d0e737 100644
--- a/api/@internal/component/ets/text.d.ts
+++ b/api/@internal/component/ets/text.d.ts
@@ -749,6 +749,19 @@ declare class TextAttribute extends CommonMethod<TextAttribute> {
    */
   textVerticalAlign(textVerticalAlign: Optional<TextVerticalAlign>): TextAttribute;
 
+
+  /**
+   * Set the vertical align of the whole text content.
+   *
+   * @param { Optional<TextContentAlign> } textContentAlign - The default value is TOP.
+   * @returns { TextAttribute } returns the instance of the TextAttribute.
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 21
+   */
+  textContentAlign(textContentAlign: Optional<TextContentAlign>): TextAttribute;
+
   /**
    * Called when the vertical center mode of the font is set.
    *
diff --git a/api/@internal/component/ets/text_common.d.ts b/api/@internal/component/ets/text_common.d.ts
index 3428691ecb75528ff1d3cf8c15b7c6a4dc23debf..2f6b2461aee2a831d85a6da5e056dc9fe22c4250 100644
--- a/api/@internal/component/ets/text_common.d.ts
+++ b/api/@internal/component/ets/text_common.d.ts
@@ -2314,6 +2314,47 @@ declare enum TextVerticalAlign {
   TOP = 3,
 }
 
+/**
+ * Alignment of text.
+ *
+ * @enum { number }
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @crossplatform
+ * @atomicservice
+ * @since 21
+ */
+declare enum TextContentAlign {
+  /**
+   * Top the text.
+   *
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 21
+   */
+  TOP = 0,
+
+  /**
+   * Center alignment.
+   *
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 21
+   */
+  CENTER = 1,
+
+  /**
+   * Bottom alignment.
+   *
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 21
+   */
+  BOTTOM = 2
+}
+
 /**
  * Defines the input method client.
  *