What if Apple's mobile phone calendar doesn't display?

1, directly open the settings button on the mobile phone desktop, and drop down to find the "Mail, Address Book, Calendar" button;

2. Click to enter the "Mail, Address Book, Calendar" page, drop down to find the relevant options of the calendar, select "Other Calendars" and click to enter the relevant page;

3. The current display should be closed. Select "Lunar Calendar" below.