There are three main factors that affect blood sugar: one is diet, two is exercise, and three is medication, all three of which are equally important in blood sugar control. Briefly talk about exercise for diabetic patients. The main purpose of the exercise mentioned here is to control blood sugar, so it should be carried out after three meals. One point to note is that if the exercise after one meal is not realized for any reason, do not accumulate the exercise to the next meal. As for exercise to enhance physical fitness, it is not in the scope of this article. Exercise for diabetics, in short, includes the type of exercise, exercise intensity, and exercise time. First of all, the type of exercise, very simple, is walking, which is the result of scientific research. The benefits of walking are many: first, it is simple and easy, as long as the legs and feet are not faulty people can walk, for some patients with poor heart, or lower limb vascular disease, as long as it is not too heavy, more or less can walk a little; second is easy to achieve, in indoor and outdoor can be carried out, without the aid of equipment, not limited to the size of the site, not limited to weather conditions. Secondly, the exercise time and intensity, generally 1 hour after the meal to start exercise, (after the meal is to start eating, not to finish eating,) from 1 hour after the meal this point to start, walking 20-40 minutes, fast walking slow walking can be, according to their own physical conditions to decide, walking to sweat can be, (I myself to the normal speed, basic walking 15-20 minutes on sweat) so that the intensity of walking can basically drop 2mmol / L blood sugar, and eat a piece of sugar flat power about the same, the effect of lowering sugar is still very considerable.