1. Basic knowledge of sex organs: male and female reproductive organs, functions and functions of sex organs, etc.
2. Gender and gender identity: the concepts of gender identity, gender identity and sexual orientation.
3. Sexually transmitted diseases and prevention: understand the types of sexually transmitted diseases, prevention methods and ways to protect yourself.
4. Pregnancy and contraception: Understand the basic knowledge of pregnancy and contraceptive methods, including contraceptives, condoms and contraceptives.
5. Importance of sexual behavior: Understand the importance of sexual behavior, including the impact of sexual behavior on health and the impact of sexual behavior on interpersonal relationships.
6. Sex education and sexual health: Understand the importance of sex education and sexual health, including how to maintain sexual health and how to deal with sexual problems.
7. Sexual dialogue and consent: Understand the importance of sexual dialogue and consent, including how to communicate in sexual relations and how to avoid coercion and disagreement.
Mastering these basic sexual knowledge can help teenagers better understand their body, sexual behavior and sexual health, avoid problems such as sexually transmitted diseases and unplanned pregnancy, and better grasp the knowledge of health and safety in sexual relations.