Click me on WeChat, then select Settings, turn on the way to add me in privacy, and click the dot to the right of the mobile phone number to turn it off.

After the mobile phone number is known by others, it will reveal the name and area of the individual, especially after the disclosure, many fraudulent calls. In order to prevent privacy leakage, it is best to be careful to enter unknown websites, unknown software and social circles. If many people you don't know add you as friends, try to check whether you have passed the friend verification.