Appropriate age
The gender difference between men and women, especially the primary sexual characteristics, is not a problem to be solved before the development of children and adolescents. As far as the current social and cultural situation is concerned, it is best to solve the difference between male and female primary sexual characteristics before the age of 5. Sex education should be more advanced, but it is inseparable from children's understanding ability.
Suitable method
Children can speak with their parents' bodies before the age of 5, but after the age of 5, it is more appropriate to use books, audio-visual materials and other methods.
Appropriate content
Children's sex education, the content of each age group should be focused. Simple problems such as gender knowledge should be solved before the age of 5. Before puberty, sexual physiology education should be carried out; When teenagers develop, it is necessary to carry out sexual psychology and sexual morality education.