How to set Samsung SMS not to be displayed on the screen?

Enter information, menu keys, settings and unchecked preview information.

Locate the settings icon and open it.

Locate the Notification column and click it.

Locate the Message column and click it. Turn on the "Allow Notification" function, turn on the "Lock Screen Display" and turn off the "Display Preview" function.

Open QQ and click on the avatar in the upper left corner in the "message" interface. Click "Settings" in the lower left corner of the interface that appears. Then click the "message notification" column, turn off the "notification display message content" function, return to QQ and turn it off.

Open WeChat, click on the "My Settings" column, click "Settings" in the interface that appears, then click "New Message Notification", and then turn off the function of "Notification Display Message Details".