How to unsubscribe from Apple Calendar?

Here's how to cancel Apple's calendar subscription.

1. First, in the Apple mobile phone, open the application [Calendar]. ?

2. Enter the program "Calendar" interface and click "Calendar" settings at the bottom. ?

3. Select the project type to delete, and then click the red symbol on the right. ?

4. Then select Delete Calendar.

5. Click Bulk Delete Items in the calendar. This completes the operation.