In the Teacher's Manual on Sex Education and AIDS Prevention provided by UNESCO, the concept of sex education is clearly put forward: sex education is a part of family education, school education and social education, and it is the research and teaching about people's psychological and social development. It not only teaches the educated physiological knowledge about human sexual organs and sexual functions, but also instills certain social and cultural norms and social values, as well as legal norms related to sex. Sex education also includes the education of various good hygiene habits. Scientific sex education not only promotes the healthy development of the educated individuals, but also the family and society.
Sex education is not only developmental education, but also lifelong education, which needs the close combination of scientific spirit and humanistic spirit.
In all fairness, sex education in China has made great progress in recent years, but why is it denied by boys and girls? This is because compared with the physical and mental development of contemporary teenagers, sex education is still too backward to meet their strong needs.