Split personality is a kind of psychological disease, such a person mostly lives in the home of lack of love, growing up in a bad family atmosphere, the lack of parental management or improper methods, he grew up in a kind of repressed negative emotions in the environment, psychological disorders. The manifestation of thinking and emotion is strange, different from normal people, there is loneliness, silence, mostly living in the world of one person. Patients do not communicate, do not communicate, do not have any friends. The patient’s point of view thinking is different from normal people, and very stubborn, low self-esteem, unwilling to accept other people’s opinions, do not want to refer to other people’s suggestions, a person alone, these are the clinical symptoms of split personality patients. Such a person is mostly very bitter, very bad-tempered, very difficult to communicate, very difficult to deal with him. So for such patients, should be more concerned about more loving, once found with such symptoms, must see a psychiatrist early, early treatment, in order to receive good clinical results.