To transfer songs on QQ Music to mp3, you can choose to transfer songs to the device in the QQ Music software settings. The specific method is as follows:

1. First transfer the mp3 Connect to the computer through a data cable, open the QQ Music software, and click the main menu icon in the upper right corner of the main interface, as shown in the figure below.

2. In the opened function, click Transfer songs to device, as shown in the figure below.

3. Then check the songs you want to transfer, as shown in the picture below.

4. Then click the Import to Device button on the right, as shown in the figure below.

5. Then the page will prompt that the song has been imported, click I understand.

6. Finally, you can see the successfully imported songs in mp3, as shown in the picture below.