Diabetic patients can choose a variety of coarse grains is relatively large, like sorghum rice, black rice, corn ballast, buckwheat, millet and other coarse grains. Coarse grains are mainly made into a variety of coarse grains steamed buns, or rice and rice together into coarse grains rice to eat, which is relatively healthy, the impact on blood sugar will be relatively small, but, must not be made into coarse grains thin rice, which will make the blood sugar level significantly higher. In addition, the diabetic diet should not be based on coarse grains, which will lead to a lack of certain nutrients in the body, but should be a combination of coarse and fine grains, so that a reasonable diet is conducive to the adjustment of blood sugar and the treatment of diabetes.