Sexual health includes sexual physiological health, sexual psychological health and sexual behavioral health. 1. Sexual physiological health: that is to say, having normal functioning of the reproductive system and secondary sexual characteristics, and forming good physiological hygiene habits to avoid reproductive system diseases. 2. Psychosexual health: i.e. having sound psychosexual concepts, correct knowledge and identification of sex, and healthy psychological literacy to cope with and deal with various sexual problems. 3. Sexual health: Healthy sexual behavior should follow moral requirements, conform to social norms and fulfill relevant social obligations; in addition, to maintain healthy sexual behavior, it is necessary to conduct sexual behavior in a clean and proper manner to avoid physical or psychological diseases caused by unhealthy sexual behavior.