1, exercise time and exercise frequency: at least 150 minutes of moderate intensity aerobic exercise per week, the recommended frequency and duration of exercise for 5 times a week, 30 minutes each time. 2, exercise intensity: exercise heart rate of 50% to 70% of the maximum heart rate, to feel a little hard, heart rate and breathing faster but not shortness of breath is appropriate. 3, exercise program: moderate intensity aerobic exercise including brisk walking, tai chi, cycling, table tennis, badminton and golf, stronger aerobic exercise including dance, aerobics, jogging, swimming, uphill cycling, etc.; if there are no contraindications, it is best to perform light or moderate resistance exercise twice a week, such as resistance to light or moderate weight training. 4.Exercise avoidance: avoid hypoglycemia during exercise, strengthen blood sugar monitoring before and after exercise, and temporarily adjust diet and medication regimen during heavy or intense exercise. 5.Exercise contraindication: fasting blood sugar >16.7mmol/L, repeated hypoglycemia or large blood sugar fluctuation, acute metabolic complications such as diabetic ketoacidosis, combined acute infection, proliferative retinopathy, serious kidney disease, serious cardiovascular and cerebrovascular diseases (unstable angina, serious arrhythmia, transient cerebral ischemic attack), etc. Exercise is contraindicated, and can only be resumed gradually after the condition is controlled and stabilized. Exercise. 6, pre-exercise assessment: mainly for patients with poor cardiopulmonary function assessment.