Tools/materials: Take Xiaomi MIXI mobile phone as an example.

1. First, turn on Xiaomi MIXI mobile phone and click the "Settings" icon.

2. Then in this interface, click the "More Applications" option.

3. Then in this interface, click the "Permission" option.

4. Then, in this interface, click the "self-startup management" option.

5. Finally, in this interface, turn off the "Allow self-starting applications" switch.