Practice three points and eat seven points. Although dinner is omitted, breakfast and lunch should also be based on a healthy diet. Eat less food with oil, light salt and low sugar. It is not easy to run too many steps every day, and the damage to your knee joint is irreversible. Finally, when you exercise with keep, you should also pay attention to the norms of action, otherwise the sports injury is irreversible. Warm up and stretch before exercise, and stretch and relax after exercise.