1. Take Apple's mobile phone as an example. First of all, you have to turn on "Meitu Xiu Xiu" on your mobile phone.

2. After opening, click "Beautify Pictures" in the interface.

3. After clicking, it will be cut into the photo album of the mobile phone, and the photos that need whitening will be selected in the photo album.

4. After selection, click "Go to Beauty" in the lower right corner of the interface.

5. Click "Skin Whitening" in the option list at the bottom of the interface.

6. Then drag the two buttons below to turn white, and the more you go to the right, the whiter you get.

7. Just adjust your satisfaction, save it.