1. Open the Meishe APP on your mobile phone and click "Make Video". Select the material video to be processed and click "Start Production".

2. Select the "Music" tab, click "Background Music", and the pop-up screen will allow you to select various built-in music. When you click on a piece of music, it will automatically play and listen to the effect. After selecting, the screen will jump back to the main interface.

3. If you want to narrate the video yourself and add dubbing, select the "Advanced" tab and click the "Dubbing" option. At this time, it is best to plug in headphones so that you can hear the original sound of the video.

4. Click the small microphone in the interface to start recording your own dubbing. After recording, return to the editing page and drag the blue box to adjust the dubbing duration and the appearing timeline position.

5. If you want to add some special effects to the dubbing, you can click "Sound Effects", where you can make your dubbing become a male or female voice, or change the speaking speed to look like a cartoon.