Rare rice has a high glycemic index, if diabetic patients eat rare rice, it is easy to make postprandial blood glucose rise rapidly, should pay attention to control the amount of food. Diabetic patients should control the diet and limit the intake of carbohydrates. Rice is made from rice boiled, contains more carbohydrates, and boiled for a long time easy to make polysaccharide further into monosaccharide, more easily absorbed by the gastrointestinal tract, eat rice after meals easy to raise blood sugar, is not conducive to the control of the disease. Therefore, it is not recommended that diabetic patients often eat rice in daily life, should try to choose the right amount of mixed grains, coarse grains as the main food. The specific diet of diabetic patients, can consult a professional physician advice.