Healthy sex education refers to the education aimed at helping people acquire and maintain a healthy sexual life style and sexual health knowledge. Its purpose is to improve people's sexual health awareness, prevent sexually transmitted diseases, avoid unnecessary pregnancy, reduce sexual assault and harassment, and also help to promote people's physical and mental health.

The contents of health sex education usually include the following aspects:

1. Sexual knowledge education: including knowledge of physiological anatomy, sexual development and reproduction, contraception and prevention of sexually transmitted diseases, etc.

2. Sexual psychological education: including information and guidance on gender identity, sexual orientation and sexual psychological health.

3. Sexual education: including information and guidance on the safety and health of sexual behavior and the social and cultural background of sexual behavior.

4. Education on sexual relations: including information and guidance on the responsibility and respect of sexual relations, the choice and communication of sexual partners, etc.

The object of health sex education can be people of all ages, including children, teenagers, adults and the elderly. Health education can be carried out in many ways, such as classroom education, media publicity and face-to-face consultation. We should not only consider personal physical and mental health, but also consider the influence of social and cultural factors, so as to achieve the goal of comprehensive sexual health education.