What weather can't open the window for ventilation in kindergarten?

1. In foggy days, it is not recommended to open the window for ventilation in the morning and evening. Better wait until the sun comes out.

Children should wear masks on the way to and from the park to prevent dust particles from entering the body.

It is best not to engage in outdoor activities in foggy days. It is best to wait until the visibility is high.

4. Don't take children to crowded places. Poor air circulation in crowded places can easily lead to cross-infection of respiratory diseases.

5. Try to stay away from the road. The concentration of pollutants is the highest when large cars enter the city during peak hours and at night.

Supplementing nutrition and enhancing immunity

1, calcium and vitamin d, eat more tofu and Sydney. Fish and tofu are people's daily favorite foods. Fish is a kind of "intensive" nutrient, and tofu is both medicine and food, which can replenish qi and deficiency, and its calcium content is also quite high. Vitamin D rich in fish has certain biological activity, which can increase the absorption rate of calcium by more than 20 times. Stewed lily in Sydney can achieve the effect of moistening lung and resisting virus, and you can eat more in foggy days.

2. Drink plenty of water, have a light diet, eat more fresh fruits and vegetables, exercise vigorously and enhance immunity.

3. Choose light and digestible foods rich in vitamins, drink plenty of water and eat more fresh vegetables and fruits.