1. Safety must be ensured to avoid sharp, fragile and flammable items. At the same time, we should also pay attention to the location of power outlets to prevent children from getting an electric shock.

2. Cleanliness: The environment in the middle shift must be kept clean and hygienic, and regular disinfection and cleaning work should be carried out. Clean up the sundries and toys on the ground in time every day to keep indoor air circulation.

3. Comfort: The middle-class environment should make children feel comfortable, including temperature, humidity and light. At the same time, we should also consider the child's height and body shape, and choose furniture such as tables, chairs and beds with appropriate sizes.

4. The rules are clear and the signs are clear. The purpose of the activity area is to ensure that all children can carry out the activity area smoothly and get freedom.

5. Health and safety In the process of creating activity areas, safety and hygiene are the top priorities of all work.