If a person is addicted to drinking and collecting antiques, should such a person commit a crime also consider whether they are mentally ill? If Internet addiction is included in the category of psychiatric diagnosis, it is equivalent to "leaving the net" for Internet users, which will lead to a large number of defendants can not receive due criminal punishment, and the society is very harmful. When a person is addicted to something, it shows that the person has a mental problem. Internet addicts show different ways of thinking and dealing with things, and many behaviors should be understood as a pathological reflection.