Diabetic patients because of the lack of insulin secretion, the body’s blood sugar level is very high, must eat more low-sugar staple food, in order to achieve the effect of not aggravate and alleviate the diabetic condition, diabetic patients still have more choices of staple foods to eat. The first, corn can be used as a staple food for diabetics, steamed corn not only does not destroy the linoleic acid content, but also can well promote the decomposition of fat and sugar to prevent the adverse situation of rising blood sugar. The second, brown rice staple food, brown rice is rich in dietary fiber food, has a strong sense of satiety, although in the human body for a long time to be digested, but a small amount of intake can make people do not feel very hungry, will not have the desire to continue to eat, can be a good control of blood sugar, maintain the stability of the patient’s condition. The third, choose oats as a staple food, lower blood sugar at the same time can also protect the cardiovascular system.