Treatment principles: Schizophrenia treatment should be implemented as early as possible with effective full-dose and full-course medication. To achieve: (1) early detection, early diagnosis, early intervention, and early treatment; (2) actively adopt the concept of whole-course treatment; (3) according to the characteristics of psychiatric symptoms and economic status, as far as possible, use antipsychotic drugs with definite efficacy, a wide spectrum of symptom effects, mild adverse effects, easy long-term treatment, and economically affordable; (4) actively carry out family health education and publicity, and strive for family members’ attention and cooperation in the patient’s (4) actively carry out family health education and propaganda, and strive for family members’ attention and cooperation in the whole treatment of patients. Acute treatment goals: (1) to alleviate the main symptoms of schizophrenia as soon as possible, including positive symptoms, negative symptoms, agitation and excitement, depression and anxiety, and cognitive decompensation, and to strive for the best prognosis; (2) to prepare for the restoration of social functions and return to society; (3) to prevent suicide and impulsive behaviors that endanger society; (4) to minimize the adverse effects of drug treatment and to prevent the occurrence of serious adverse drug reactions, such as granulocytes. adverse drug reactions, such as granulocyte deficiency, malignant syndrome, anticholinergic disorders of consciousness, etc. The goals of treatment during the consolidation period: (1) to prevent the remission of remitted symptoms from reigniting or fluctuating, or to further improve the efficacy of treatment; (2) to promote the restoration of social function and return to society; (3) to control and prevent post-schizophrenic depression and obsessive-compulsive symptoms; (4) to prevent suicide; (5) to control and prevent the occurrence of long-term adverse effects brought about by long-term medication, such as delayed dyskinesia, amenorrhea, breast milk overflow, weight gain, glucolipid metabolism abnormalities, cardiac, hepatic and renal impairment, etc. The goals of maintenance treatment are: (1) to prevent another attack of the disease or to prevent the deterioration of an already stable condition and to further relieve symptoms; (2) to improve compliance with drug maintenance therapy; (3) to restore social function and return to society; (4) to help patients and their families cope with social or physical stress.