diff --git a/multimedia/av_codec/codec_base/libnative_media_codecbase.ndk.json b/multimedia/av_codec/codec_base/libnative_media_codecbase.ndk.json
index c84f06a8764f6b2f2f5c05f440080dd77685a450..2dc000e34f17a1f97c5919c2fe843b41d2296ecf 100644
--- a/multimedia/av_codec/codec_base/libnative_media_codecbase.ndk.json
+++ b/multimedia/av_codec/codec_base/libnative_media_codecbase.ndk.json
@@ -87,6 +87,10 @@
         "first_introduced": "18",
         "name": "OH_AVCODEC_MIMETYPE_VIDEO_MPEG4_PART2"
     },
+    {
+        "first_introduced": "18",
+        "name": "OH_AVCODEC_MIMETYPE_VIDEO_H263"
+    },
     {
         "first_introduced": "9",
         "name": "OH_ED_KEY_TIME_STAMP"
diff --git a/multimedia/av_codec/native_avcodec_base.h b/multimedia/av_codec/native_avcodec_base.h
index ce92ddfee08b5c255f721d09c2c138713696c7a9..38551bf380a1ec17e5bc83b2b5a1bc728cbdd698 100644
--- a/multimedia/av_codec/native_avcodec_base.h
+++ b/multimedia/av_codec/native_avcodec_base.h
@@ -376,6 +376,13 @@ extern const char *OH_AVCODEC_MIMETYPE_VIDEO_MPEG2;
  * @since 18
  */
 extern const char *OH_AVCODEC_MIMETYPE_VIDEO_MPEG4_PART2;
+/**
+ * @brief Enumerates the MIME type of video h263 codec.
+ *
+ * @syscap SystemCapability.Multimedia.Media.CodecBase
+ * @since 18
+ */
+extern const char *OH_AVCODEC_MIMETYPE_VIDEO_H263;
 
 /**
  * @brief Key for timeStamp in surface's extraData, value type is int64_t.
@@ -1192,6 +1199,19 @@ typedef enum OH_MPEG4Profile {
     MPEG4_PROFILE_ADVANCED_SIMPLE = 17,
 } OH_MPEG4Profile;
 
+/**
+ * @brief H263 Profile
+ *
+ * @syscap SystemCapability.Multimedia.Media.CodecBase
+ * @since 18
+ */
+typedef enum OH_H263Profile {
+    /** Baseline profile */
+    H263_PROFILE_BASELINE = 0,
+    /** Version 1 backward compatibility profile */
+    H263_PROFILE_VERSION_1_BACKWARD_COMPATIBILITY = 2,
+} OH_H263Profile;
+
 /**
  * @brief Enumerates the muxer output file format
  *
@@ -1486,6 +1506,31 @@ typedef enum OH_MPEG4Level {
     MPEG4_LEVEL_6 = 9,
 } OH_MPEG4Level;
 
+/**
+ * @brief H263 Level.
+ *
+ * @syscap SystemCapability.Multimedia.Media.CodecBase
+ * @since 18
+ */
+typedef enum OH_H263Level {
+    /** 10 level */
+    H263_LEVEL_10 = 0,
+    /** 20 level */
+    H263_LEVEL_20 = 1,
+    /** 30 level */
+    H263_LEVEL_30 = 2,
+    /** 40 level */
+    H263_LEVEL_40 = 3,
+    /** 45 level */
+    H263_LEVEL_45 = 4,
+    /** 50 level */
+    H263_LEVEL_50 = 5,
+    /** 60 level */
+    H263_LEVEL_60 = 6,
+    /** 70 level */
+    H263_LEVEL_70 = 7,
+} OH_H263Level;
+
 /**
  * @brief The reference mode in temporal group of picture.
  *