Exercise for subhealthy people: the first one is the way of exercise, patients can choose appropriate aerobic exercise according to their personal symptoms and personal preferences, environmental conditions, such as walking, jogging, taijiquan, taijiquan, five bird play, eight-duanjin, jumping rope, etc. The second one is the intensity of exercise, for the characteristics of chronic fatigue syndrome and subhealthy people, the amount of exercise should be gradually increased. The second is the intensity of exercise, for the characteristics of chronic fatigue syndrome and the characteristics of the subhealthy people, the amount of exercise should be gradually increased, first using a small amplitude, small intensity for exercise, and then gradually increase to medium intensity. If the heart rate can return to normal or quiet level after a few minutes of exercise, the quiet heart rate is more constant in the early hours of the next day, there is no persistent fatigue and other discomforts after exercise, and the mental state is better, energetic, with good appetite and sleep, it means that the amount of exercise is more appropriate. The third is the duration and frequency of exercise, generally 15-20 minutes per exercise, three times a week exercise is more appropriate good.