Mental retardation is generally referred to as mental retardation, generally manifested as mental retardation and social adaptation difficulties, clinical treatment is based on medication, rehabilitation training and psychotherapy: 1, medication: patients with mental retardation are often accompanied by psychomotor excitement, aggression or self-injurious behavior, etc., and can use some sedative psychotropic drugs, such as haloperidol, endorphin, etc.; 2, rehabilitation training: patients with mental retardation often manifest varying degrees of impairment in activities of daily living and speech expression and understanding: Patients with mental retardation often show varying degrees of impairment in activities of daily living, speech and understanding. Currently, rehabilitation therapy is effective in improving the behavior and speech of mentally retarded patients. Rehabilitation physicians will formulate appropriate treatment prescriptions according to each patient’s specific situation to enhance the patient’s low or missing functional activities. Psychotherapy can effectively relieve emotional problems and improve social skills. In addition, family members can also seek the help of a psychotherapist to relieve anxiety. The treatment of mental retardation is a long process, so family members should be patient, communicate with the patient as much as possible, and give the patient enough care.