Diabetic patients can eat cornmeal buns in moderation, but not in large quantities for a long time. Usually every 100 grams of cornmeal contains 12.1g of water, 8.1g of protein, 3.3g of fat, 75.2g of carbohydrates, 40.0mg of carotene and so on. Usually diabetic patients can eat a moderate amount of steamed bread made of cornmeal, can supplement the body needs nutrients, provide energy, and the glycemic index is low, will not cause large fluctuations in blood glucose values. Corn bread belongs to coarse grains, but also rich in dietary fiber, diabetic patients eat in moderation also helps to promote gastrointestinal peristalsis, prevent constipation. It is recommended that diabetic patients pay attention to the rationality of the diet, avoiding the intake of high-sugar foods, cornmeal buns spoiled can not be consumed, so as not to cause diarrhea, abdominal pain and other uncomfortable symptoms. Daily attention to monitoring blood glucose values, but also should follow the doctor’s instructions on time medication, regular medical review.