For diabetic patients, exercise is one of the main methods to effectively control blood sugar. It is recommended that exercise is mainly aerobic exercise, you can choose swimming, running, brisk walking, climbing, cycling, etc. The best time for diabetic patients to exercise should be one hour after eating, and each exercise should be at least 30 minutes, 3-4 times a week, feeling slightly sweating in the body. Patients who exercise for the first time should gradually increase the exercise time, you can start from 5-10 minutes, and gradually adapt to the intensity of exercise. It is recommended to exercise one hour after meal because blood sugar often rises to the highest value one hour after meal, at this time exercise is not easy to occur hypoglycemia, but also can avoid the occurrence of postprandial hyperglycemia, so that blood sugar is relatively stable. Pay attention to monitoring blood sugar before and after exercise to avoid hypoglycemia and hypoglycemia after exercise, carry sugar cubes and cookies with you when exercising, pay attention to the intensity of exercise and avoid strenuous exercise.