Schizophrenia is a common chronic psychotic disorder that is usually evaluated by various psychiatric scales. Specifically: 1. Brief Psychiatric Rating Scale: mainly assesses the general psychotic symptoms, and the higher the score, the more severe the symptoms; 2. Positive and Negative Symptom Scale: its items are wider than the Brief Psychotic Rating Scale, making the positive and negative symptoms more balanced, and the higher the score, the more severe the symptoms; 3. Behavioral Activity Rating Scale: mainly used in clinical trials to assess the behavior of psychotic patients The modified version of the Aggressive Behavior Scale: mainly applied to track the changes in the level of aggressive behavior of patients over a certain period of time, including four items of verbal aggression, property aggression, self aggression and physical aggression; 5. The Clinical General Impression Scale: mainly applied to the estimation of various psychiatric diseases and the observation of their efficacy; 6. The lower the score, the more serious the condition.