1. First, turn off the auto-play function and push notification function of QQ Music to avoid unknowingly consuming data.

2. Secondly, clean the cache files of QQ Music to avoid caching too many unnecessary files. In the settings of QQ Music, adjust the cache settings, such as only caching music in the WiFi environment, or limiting the daily The number of caches.

3. In the end, if none of the above methods work, you can consider uninstalling and reinstalling QQ Music.