1. Cognitive differences between male and female students on physiological structure.

2. Rules and taboos of heterosexual communication.

3. Cognition of your private parts.

4. Prevention knowledge of child sexual abuse.

Reasonable and appropriate sex education for primary school students has the following advantages:

1, can correctly communicate with students of the opposite sex and establish good interpersonal relationships.

2. Be able to correctly understand gender differences and establish their own correct awareness of gender roles.

3. Learn to prevent child sexual abuse.