How to set date reminder for Apple mobile phone?

Take Apple's 7plus mobile phone as an example, the method of setting the date reminder is as follows:

1. Find the calendar icon on the mobile phone desktop and click Open to enter the calendar page.

2. Then select the date to remind on the calendar page.

3. Then click the+button in the upper right corner of the current page.

4. Then slide the time selection page to find the time you want to remind.

5. Finally, click the Add button in the upper right corner to complete the setting.