It is to simulate a low-oxygen environment, that is, an environment with thin oxygen on the plateau, but this kind of exercise is carried out in an artificial environment, and the exerciser inhales less oxygen than usual. In fact, this kind of hypoxic exercise has a good health care effect on the human body, which can improve immunity and even enhance the detoxification effect of the liver, which not only achieves the purpose of fitness, but also relieves pain and fatigue. Exercise in hypoxic environment can increase muscle endurance and strength, accelerate the burning of fat, promote the metabolism of protein and fat, reduce appetite and optimize blood. Doing hypoxic exercise can increase the content of red blood cells and promote the release and synthesis of growth hormone.