1. Shoot several pieces of video material in advance.

2. Download an audio editing software on your mobile phone and click to open it.

3. After opening the audio editing software, select multiple videos to splice.

4. After selecting several pieces of material, click the import option in the lower right corner.

5. After importing, splice the video, and then click the generate option in the upper right corner.

6. After the video is generated, just save it to the mobile phone album.

7. If you scroll down on the homepage of the editing software, you will see some music templates. You can also use templates to make audio.