2. Drinking water knowledge: explain how much water the human body needs and how to replenish water correctly.
3. Sleep knowledge: explain the importance of sleep to the human body and how to ensure adequate sleep.
4. Sports knowledge: introduce the benefits of sports and how to carry out sports suitable for children.
5. Hygienic habits: Educate children to develop good hygienic habits, such as washing hands, brushing teeth and taking a bath.
6. Disease prevention: Explain common childhood diseases, such as colds, diarrhea and pneumonia, and how to prevent and deal with them.
7. Safety knowledge: educate children on traffic safety, fire safety and food safety.
8. Mental health: explain the process of children's psychological development and how to deal with children's emotional problems.
9. Sex education: Sex education at an appropriate age can help children establish correct sexual attitudes and habits.
10. Environmental protection knowledge: let children know the importance of environmental protection and cultivate their awareness of environmental protection.