Obsessive-compulsive symptoms are a neurological disorder characterized by the coexistence of conscious self-compulsions and counter-compulsions, which cause anxiety and pain. The patient is also aware of the abnormality of the symptoms, but cannot get rid of them. Symptom Criteria (1) Meet the diagnostic criteria of neurosis and have at least one of the following: (1) Compulsive thoughts, including obsessive thoughts, memories or representations, compulsive oppositional ideas, exhaustive thinking, fear of losing self-control, etc.; (2) Compulsive behaviors (actions), including repeated washing, checking, examining, or questioning, etc.; (3) Mixed forms of the above; (2) The patient claims that the compulsive symptoms (2) The patient claims that the obsessive-compulsive symptoms originate from within him/herself and are not imposed by others or external influences; (3) The obsessive-compulsive symptoms recur repeatedly, and the patient believes that they are meaningless and feels unpleasant or even painful, so he/she tries to resist them, but they do not work. Severity Criteria Impaired social functioning. Duration of illness Criteria The criteria for symptoms have been met for at least 3 months. Exclusion criteria (1) exclude secondary obsessive-compulsive symptoms of other psychiatric disorders, such as schizophrenia, depression, or phobias; (2) exclude secondary obsessive-compulsive symptoms of organic brain diseases, especially basal ganglia lesions.