Food does not have the effect of lowering sugar, diabetic patients need diet and exercise therapy and medication to lower blood sugar. Diet therapy is the basic treatment of diabetes, it is recommended that low-salt, low-fat, low-sugar diet, you can choose low glycemic index staple foods, such as quinoa, oats, buckwheat, brown rice, black rice, etc., eat more vegetables and fruits, and increase the intake of high-quality protein, and at the same time, actively engage in exercise, such as jogging, swimming, etc., need to be adhered to for a long period of time, the exercise can improve the sensitivity of insulin, which is conducive to lowering blood glucose. If the effect of diet and exercise treatment is not good, you need to use hypoglycemic drugs under the guidance of a doctor, commonly used drugs are acarbose, metformin, insulin and so on. Food itself cannot lower sugar, but choosing the right food can help control blood sugar. Diabetic patients can consult a nutritionist to develop an individualized diet plan.