The best time to exercise in the morning need to be selected according to the season, such as early sunrise in summer, usually choose to exercise at about 6:00, when the air is fresher; winter exercise should be as late as possible, need to wait for the sun to rise, the temperature has risen after the exercise. Exercise in the morning is not a good choice, because after the consumption of the night, the morning blood sugar is the lowest, at this time immediately exercise easy to cause hypoglycemia, and the outside air is more humid, the air contains more carbon dioxide, can be detrimental to the respiratory system. It is recommended that exercisers first drink milk or honey water in the morning, a small amount of food for 30 minutes before exercising, can provide sufficient energy for exercise. Exercise can improve the body’s immunity, especially the ability to resist disease, to prevent heart disease, hypertension, diabetes has a certain role. In addition, exercise needs to be consistent, it is recommended to adhere to at least 3-4 days a week, exercise before paying attention to a full warm-up.