Whole grain food is rich in dietary fiber for the following reasons: First, it helps to increase satiety and reduce the hunger of diabetic patients; The other is that rich dietary fiber can also delay the absorption of sugar and avoid the fluctuation of postprandial hyperglycemia. In addition, whole grain food is rich in dietary fiber, which can also delay the absorption of cholesterol and is beneficial to the control of blood lipid in diabetic patients. The staple food of diabetics should be thick and thin, and flour and rice should be eaten properly, because flour and rice improve the quality of life and are easy to digest. You should not eat more coarse grains. After eating too much, it will also affect the function of the gastrointestinal tract and cause bloating.