Psychosis refers to the patient's cognition, emotion, will, action and behavior and other psychological activities can appear lasting and obvious abnormal; unable to study, work, live normally; action and behavior are difficult to be understood by ordinary people; under the control of morbid psychology, Acts of suicide or attacking or hurting others. Including schizophrenia, manic-depressive psychosis, menopausal psychosis, paranoid psychosis, and psychosis associated with various organic diseases. Commonly used drugs: chlorpromazine, chlordiazepoxide, etc.