1. The disease threatens the safety of others or oneself, impulsive injury, outside running, suicide. The safety of hospitalization is much higher than at home. 2, the patient refuses food and water, persuasion is ineffective, there is no way at home. To the hospital can be under the premise of mandatory, infusion or nasal feeding to supplement the basic energy needs. 3, the patient denies having the disease and refuses treatment. Some family members wish to steal medication treatment at home, not absolutely not, but, psychotropic drugs, especially antipsychotics, from a safety point of view, generally start with a small dose and gradually increase the amount. Then high doses are maintained for 4-6 weeks. It is difficult to ensure long-term adherence to dark medication, but there are safety risks in stopping medication suddenly (prone to withdrawal syndrome), and starting to take medication again from a low amount, which may affect the efficiency of treatment. 4.Some patients are very sensitive to drugs and have serious side effects after taking them, so it is best to treat them under the observation of medical personnel. 5.Some patients have self-awareness, admit to have a disease, are willing to accept treatment, and take the initiative to request hospitalization.