1, warm-up period: time 5 to 10 minutes, with a slow start to some low-intensity, casual exercise, the purpose is to warm the body, and then do light stretching exercises (no jumping exercises). 2, aerobic period: time 20 to 30 minutes, the pace of exercise accelerated, continuous exercise so that the muscles need to consume more oxygen, the enhancement of heart activity, the appearance of a faster heartbeat, deeper breathing, etc. 3, relaxation period: about to end the sports, so that the limbs to maintain a slight state of activity, such as stepping in place or walking, and then gradually stop exercise. Diabetic patients exercise precautions: do a good job to test the blood sugar changes before, during and after exercise. The best time to exercise is 1-3 hours after eating. This is because exercise accelerates the rise of blood glucose and thus the action of insulin. Always carry easily absorbed carbohydrates such as glucose gels, glucose tablets, soft drinks or raisins. for consumption in case of hypoglycemic symptoms. It is best to have a partner or family member involved when exercising. Keep your body fluids balanced. Water is the best drink, drink water before each workout. Choose a pair of suitable sports shoes and check your feet carefully for redness, swelling, wound infection and open ulcers after each day’s workout.