Mental health is a very complex and comprehensive concept, which involves medical phenomenon, psychological phenomenon and social phenomenon. Scholars of different disciplines have different views on mental health.There are broad and narrow definitions of mental health. In the narrow sense, mental health refers to the complete and consistent content of people's basic mental activities, mainly aimed at preventing the occurrence of psychological disorders or behavioral problems. Mental health in a broad sense refers to a kind of efficient and satisfactory continuous psychological state, which aims to promote people's psychological adjustment and develop greater psychological efficiency, so that people can live a healthy life, so as to better adapt to the society and make contributions to the society and human beings more effectively.