The method to delete Honda Haoying QQ music playlist is as follows.

1. Open QQ Music and enter the “My Music” page.

2. Find the playlist you want to delete and click to enter the playlist page.

3. In the playlist page, click the "Edit" button in the upper right corner.

4. In the editing page, select the song you want to delete, click the circular selection box on the left, and select the song you want to delete.

5. After selecting the song you want to delete, click the "Delete" button at the bottom to delete the song.

6. After deleting all the songs to be deleted, click the "Finish" button in the upper right corner of the editing page to exit the editing page.