How does Apple 5s set SMS not to display content?

Apple 5s can turn off the corresponding permissions in the notification bar to set the message not to display content. The specific steps are as follows.

First, enter the "Settings" option of your phone.

Secondly, click the "Notification" option in the settings.

Third, look for information in the notice.

4. Find the "Show Preview" option in the notification settings of the message.

5. Click to cancel Show Preview.

6. The message received at this time will not be displayed.