Go to Settings > General > Dosage > Manage Storage Space, and you can see which applications occupy the most space, and manually clean up the cache.

Method 2:

Open Tencent mobile phone housekeeper, with one-click optimization function, and directly clean up the garbage.

There is also the function of slimming the mobile phone, which can deeply clean up junk files, cache files, software residues and redundant installation packages.