They want to attract the attention of others in this way, and some people know that their behavior is not very good; But some people don't think it is spam. Such a person may be very happy in his heart. They think the information they send is very useful and will help others (such as sending various health information). Others are trying to promote their own products, such as WeChat business.

This situation is really annoying. I usually take the way of hacking or deleting or not reading its information (friends circle) to avoid this kind of information.