Exercise is beneficial to the growth of human bones and muscles, enhancing cardiopulmonary function, improving the functional status of blood circulation system, respiratory system and digestive system, promoting human growth and development, and improving the body's disease resistance and adaptability. Reduce the chances of children suffering from heart disease, hypertension, diabetes and other diseases in adulthood. Physical exercise is one of the most active and effective means to enhance physical fitness. It can reduce your risk of premature aging. Exercise can improve the regulation function of the nervous system, improve the ability of the nervous system to judge complex changes in human activities, and make coordinated, accurate and rapid responses in time; Make the human body adapt to the changes of the internal and external environment and maintain the normal life activities of the human body. Exercise can adjust the physiological balance of human body and achieve the effect of treatment and prevention.