The connotation of sex education is very rich, which is divided into narrow sense and broad sense. Narrow sex education mainly refers to school sex education, that is, teachers teach students knowledge about sex physiology, sex psychology, sex morality, sex legal system, maintaining sex health and preventing diseases in a planned, purposeful and organized way, so that students can form a good sense of sex morality and sex legal system, and finally get a healthy development of sex.
Adolescent middle school students will experience a series of physiological and psychological changes. Due to the lack of sexual knowledge, children are in confusion, fear and anxiety. Carrying out active and effective sex education in middle schools can help students acquire scientific sex knowledge and sexual morality, correctly handle the relationship between men and women, and let students learn to accept themselves, protect themselves, live in harmony with others and grow up healthily.