Mental disorders are the result of interactions related to biological (genetics, infections, physical illnesses, trauma, malnutrition, toxins, etc.), and psychosocial factors (stressful life events, emotional states, personality traits, gender, parenting styles, social class, socio-economic status, ethnicity, cultural-religious backgrounds, interpersonal relationships, etc.). Individuals with psychotic disorders experience abnormalities in perception, thinking, emotion, and behavior. There are various types of common mental disorders, such as schizophrenia, bipolar disorder, schizoaffective psychosis, and organic brain disorder. Different types of mental disorders have different clinical manifestations. Many psychiatric patients have delusions, hallucinations, illusions, affective disorders, crying and laughing, talking to themselves, behaving strangely, and diminished will. The vast majority of patients lack self-awareness, do not admit that they are ill, and do not take the initiative to seek help from doctors. Mental illness is mostly apparent in young adults, some intermittent episodes, some continue to progress, and gradually tend to be chronic, high rate of disability, difficult to complete the family and society should bear the responsibility. However, with early detection and timely medical treatment, patients can barely live, study and work with the assistance of medication. Patients should seek treatment from psychiatry/psychiatry/psychosomatic medicine. What should family members do? 1. Supervise the patient to take medication strictly on time and according to the amount prescribed by the doctor, do not reduce or stop taking medication without authorization, and insist on outpatient follow-up. 2, the family should understand some mental health knowledge and concepts, to be able to correctly understand the patient’s disease, at the same time, can also improve self-defense capabilities. 3, the correct treatment of the patient’s disease and deal with the surrounding interpersonal relations, to help the patient better adapt to society, family life and work. 4. Accompany patients with appropriate physical exercise and recreational activities, and do as much labor as possible. Eliminate drinking, control smoking, pay attention to rest, avoid mental stimulation, and keep a balanced mind. 5.Close observation of the patient’s condition changes, especially in the fall and winter or the beginning of the spring season, the disease is easy to repeat the season, once the fluctuation of the condition, consult the doctor in a timely manner, timely adjustment of the treatment plan.