Cardiovascular exercise can be mainly aerobic exercise, supplemented by anaerobic exercise, to ensure sufficient exercise time, frequency and intensity. 1. Aerobic exercise is the main form of exercise, including running, swimming, rope skipping, tai chi, basketball, table tennis, soccer and so on, according to their own ability to choose the appropriate intensity of exercise. Then supplemented with anaerobic exercise, such as sprinting, weight lifting, push-ups, curls, etc., is conducive to improving cardiorespiratory function. 2. Exercise time is generally greater than or equal to 30 minutes each time, the frequency of 4 to 5 times a week, so as to ensure a good effect. The intensity should reach the body tolerance level. At the same time, the diet should pay attention to eat more food rich in high-quality protein, eat more fruits and vegetables, in order to strengthen the body.