1, swimming to cool off the heat is safe and beneficial. Nowadays, swimming has become a favorite sport of modern people, and it is suitable for all ages. For friends who want to lose weight, you must not let go of this cool exercise, which is definitely the best way to relax in early summer. Swimming can not only enhance the function of cardiovascular system, improve the coordination of the body, but also shape a smooth and beautiful figure, which brings psychological pleasure to people. Many sports are easy to cause strain or injury to the body, and swimming is the sport with the lowest strain and injury rate.

2, slow heat exercise sweating and heat dissipation. Considering the special climate in Huangmeitian, we should pay special attention to both the intensity and cycle of exercise. The best time for exercise is 6-7 am and 6-7 pm. The temperature is suitable in the morning, and the evening is the most suitable time for human exercise. Because of the high temperature and humidity in the afternoon, it is not suitable for sports. Secondly, choose good sports, especially those with slow heat and relatively low intensity. Specific methods: Take out about 1 hour every day for outdoor activities, and each exercise should reach the level of sweating to improve the body's heat dissipation function. When the temperature is higher than 29℃ and the humidity is higher than 75%, reduce the amount of exercise to prevent heatstroke. Generally speaking, the elderly can choose jogging, walking, sword dancing, gymnastics and other slow and gentle sports; Middle-aged people are suitable for brisk walking, aerobics, cycling and other moderate-intensity sports; Primary and middle school students and young people take running, skipping rope and playing badminton as the best choice.