Oats have a high sugar content, but its sugar content is lower than that of refined rice and flour. Oats is a common coarse grain food with a sugar content of about 65%, which is lower than that of refined rice and flour. The sugars in oats are mostly polysaccharides polymerized from fructose. Oats can provide the body with rich carbohydrates, dietary fiber and other nutrients, a strong sense of satiety. And oats contain nearly 4% of beta-glucan, for patients with high blood sugar can eat oats. In daily life, patients with high blood sugar can eat appropriate coarse grains, instead of refined rice, refined noodles, can help to maintain blood sugar stability, it is recommended that the diet and treatment under the guidance of a doctor.