Diabetic patients should be accompanied by appropriate exercise to achieve a good effect of sugar reduction. 1, indications for exercise: people with reduced glucose tolerance, type 2 diabetes without significant hyperglycemia and complications. 2, contraindications: diabetic ketoacidosis, FBG greater than 16.7mmol/l, proliferative retinopathy, nephropathy, serious cardiovascular and cerebrovascular disease, combined with acute infection. 3, exercise intensity: advocate moderate intensity exercise, because moderate intensity and below can make the muscle effectively use glucose and free fatty acids, which is conducive to body fat burning. 4, exercise time: at least 3 times a week, no less than 20 minutes each time, emphasizing diversity and fun. 5, the way of exercise: including walking, jogging, swimming, tai chi, cycling, golf, aerobics, stair climbing, brisk walking, skiing, etc. 6.Caution: Carbohydrate food should be carried at all times when exercising to prevent hypoglycemia.