Taking Huawei Mate 9 mobile phone as an example, the method of setting ringtones for Huawei mobile phone songs is as follows:

1. Find the setting icon on the desktop of the mobile phone system and click Open to enter the setting interface.

2. Find the sound option in the setting interface, and click to enter the sound setting page.

3. Find the ringtone option of card 1 on the sound setting page, and click Enter.

4. After entering the ringtone setting interface of 1 card, find the music (storage) option, as shown in the figure.

5. After clicking, you can click and select the song you want to set as ringtone among the stored songs.

6. After the song selection is completed, click the √ button in the upper right corner to complete the setting.