The method of lowering blood sugar without medication is mainly through diet and exercise to control blood sugar, but only for relatively light diabetic patients, that is, many times fasting blood sugar below 8mmol/L, this situation through diet and exercise to lower sugar effect is better. Diet to lower sugar does not mean that eating a certain kind of food can lower blood sugar, in fact, no food will lower blood sugar, but through the reasonable intake of carbohydrates, protein, fiber and other foods at each meal to ensure that the body has enough calories, you can achieve the purpose of controlling blood sugar. Exercise to lower blood sugar requires adhering to no less than 40 minutes a day and ensuring exercise time 5-6 days a week. Through the control of diet and exercise, some patients with lighter blood sugar can be treated without medication for a long time.