The specific steps are as follows:

1. On the mobile phone desktop, find and click the option to select QQ Music.

2. In the My interface of QQ Music that opens, click the local songs option in the middle of the interface.

3. In the opened interface, click the option to select the three parallel points in the upper right corner of the interface.

4. In the pop-up option box, find and click to select the option to scan songs.

5. In the opened interface, find and click to select the option to add to local songs.