Drinking more water can prevent heatstroke, eat more bitter gourd, clear away heat and detoxify, and you can also eat some watermelon, but don't eat too much to avoid stomach upset. If you have a bad stomach, try to eat less, especially chilled watermelons. When the weather is hot, you can prepare some heatstroke prevention drugs at home, such as Huoxiang Zhengqi Liquid. After strenuous exercise, you can drink some sugar and salt water (a solution made of sugar, salt and water in a certain proportion) to replenish energy. Don't blow the air conditioner for a long time to avoid endocrine disorders.