How does Apple's mobile phone turn off the automatic pop-up of messages?

Take the iPhone 6 as an example. The closing method is as follows:

First, click the settings icon on the desktop of iPhone 6 to enter.

Secondly, click the notification option after entering.

3. After entering the notification, find the Information column and click Enter.

4. After entering the information, find the column "Display on Lock Screen", close it, and then click "Display Preview" to enter.

5. After entering the display preview, select "Never" so that the information will not pop up.