Mobile phones always receive all kinds of junk sales messages, and what's more, they are all sales messages from other places. How can you refuse?

Due to the high arrival rate of short messages, spam messages have become an important marketing tool for many unscrupulous marketing companies.

First of all, you should be careful not to disclose your phone number to others easily, such as what lucky draw you participated in, usually by phone.

Second, don't leave your number on common social networks. Even if you do, keep it secret.

If you have a mobile phone, you can also install spam interception software, such as Tencent Mobile Manager, 360, and Dr. An. There is really no good interception method for landline.