How does WeChat prohibit strangers from sending messages to themselves?

Just forbid strangers to add me. You can stop strangers from sending you messages. Regarding how to set it up, let me share the operation process below:

Demo software version: 8.0.28. Mobile phone model: oppoReno7.

The specific steps are as follows:

1. Open the WeChat software on your mobile phone, then click me, and then click Settings.

2. After entering the setting interface, click the friend permissions.

3. Then click Add My Way to enter.

4. Finally, click all the green buttons on the right; The grayed button indicates successful closing, as shown in the figure below.

After this setting is successful, you can stop strangers from harassing yourself.