The process of setting the night mode on Apple's mobile phone is as follows:

1. Find the "Settings" icon on the desktop of Apple's mobile phone and click to enter.

2. After entering, find the column of "Display and brightness" in the drop-down menu, and then click Enter.

3. After inputting the monitor and brightness, select the "Night Scene" option.

4. After entering the night scene, find the column "Set time" and open it.