Playing football can exercise the muscles of the body and legs, enhance the functions of breathing and heart, help us stay healthy and strong, and improve brain activity and body reaction. Consume heat energy and promote digestion: exercise can consume heat energy and avoid being overweight; It can also promote gastrointestinal peristalsis and help digestion. Improve cardiopulmonary function: during exercise, the heart beats faster, which accelerates the contraction and expansion of the heart and makes the blood circulation vigorous. In addition, breathing is strengthened during exercise, and the chest moves, and the lungs have room for expansion due to the expansion of the chest. With the acceleration of exercise and breathing, the lungs are trained like silks and satins, and the breathing volume also increases. Strong muscles: Exercise can accelerate the division of muscle cells and make muscles strong, and proper exercise can relieve backache. Increase softness: Exercise can strengthen the blade force of muscle fibers, make them full of elasticity and make people more flexible.