According to relevant information, there are about 16 million people with severe mental illness, 40 million people with depression, 5 million people with intellectual disabilities, and 250,000 people committed suicide in recent year. With the development of China’s national economy, the deepening of the socio-economic system, increasing social competition, changes in population and family structure, and the weakening of the original social support network have led to a dramatic increase in various psychological factors and mental health Problems are increasingly prominent behavioral problems of children, psychological problems of college and high school students, mental disorders in old age, alcohol and narcotic drug abuse, and suicide have increased significantly. In 1997, the prevalence of depression among the elderly in the population aged ≥60 years was 1.570/00; the death rate of suicide has increased significantly, with an average annual death rate of 8.5/100,000 in a national sample survey in 1982, rising to 22.2/100,000 in 1993; the number of children and adolescents with behavioral or emotional problems rose from 8.5% in 1985 to 18.2% in 2002. A conservative estimate is that there are 30-50 million people nationwide, including 14-22 million with ADHD. Internet addiction among middle school students in Beijing accounts for 4.8% of the total number. In 2002, the epidemiological survey of mental disorders in Beijing showed that among the population aged ≥15 years, the point prevalence of various mental disorders was 24.33 0/00 and the lifetime prevalence was 27.31 0/00. The prevalence of mental disability was 8.94 0/00 and the intellectual disability was 4.47%. The point prevalence of mental retardation in the population aged ≥7 years was 3.31 0/00. The prevalence of mental disability in the total population surveyed was 6.83 0/00, and the prevalence of intellectual disability was 3.79 0/00. The mortality rate of suicide was 0.76 0/00. The prevalence of affective mental disorders was the highest, schizophrenia and mental retardation were the second and third, and the prevalence of alcohol dependence increased, all of which should be taken seriously. Schizophrenia is an important disease for prevention, treatment and scientific research, mental retardation is also a key disease for prevention, treatment and rehabilitation in China’s urban and rural areas, the above two types of diseases are also the main diseases leading to mental disability and intellectual disability, the incidence of high. Although the incidence of senile dementia and alcohol dependence is low, the disability rate is not low. Emotional mental disorders are now in the first place, especially the increase in the prevalence of depression, which should be given great attention, indicating that the above-mentioned diseases and alcohol dependence need to be strengthened in prevention and research. The lifetime prevalence rate of all kinds of mental disorders is increasing in varying degrees, but the trend of mental retardation is decreasing, which indicates that the work of eugenics has made some achievements after the promotion of health science and the efforts of the whole society. The main diseases causing mental disability are concentrated in d-epileptic mental disorder, alcohol dependence, schizophrenia, the main disease causing mental disability is schizophrenia, accounting for 59.09% of the diseases causing mental disability; intellectual disability rate is Alzheimer’s disease, mental retardation, the main disease causing intellectual disability is mental retardation, accounting for 80% of the diseases causing intellectual disability. In order to reduce the disability rate, early detection, early and systematic treatment of various mental diseases should be implemented to prevent relapse, especially to prevent the occurrence of mental retardation is of practical significance, and at the same time to do a good job of rehabilitation medical training to reduce the disability rate. The rate of patients receiving psychiatric treatment in our city is only 23.21%, and 26.78% of them are injuring people, destroying things and endangering social security. When a person suffers from a physical disease, people think that only the physical pain is the real disease, and rarely consider how self-perception, emotions, behavior and disease are related, clinically bronchial asthma, primary hypertension, peptic ulcer, hyperthyroidism and cancer are all related to certain psychological causes. In order to protect the physical and mental health of the public, mental health workers use newspapers, radio stations, and the Internet to promote mental health, carry out psychological counseling and treatment, prevent and treat various types of mental diseases, reduce and prevent the occurrence of various kinds of adverse psychological and behavioral problems, improve the mental health of the general population, provide crisis intervention for suicide, and carry out psychological intervention for depression, neurosis, psychogenic reactions, children and adolescents with behavioral or emotional problems, Internet addicts, and people with sleep disorders, in order to improve the psychological standard of living of the public. .