The definition and content of mental health can be roughly divided into two types. That is, narrow sense and broad sense. Mental health in a narrow sense refers to the study of the prevention, medical treatment and rehabilitation of mental diseases. That is to prevent the occurrence of mental diseases; Early detection and treatment; Promote the rehabilitation of chronic mental patients and return to society.
Mental health in a broad sense refers to the consultation of health researchers to improve mental health and psychiatry. From the above definition and content of mental health, the object, scope and task of mental health are the prevention, medical treatment and rehabilitation of the mentally ill on the one hand, and the improvement and maintenance of mental health and psychiatric consultation of the healthy on the other hand. The world health organization puts forward the meaning of health, including physical, psychological and social three aspects of complete peace and happiness.