Patients with type 2 diabetes can eat if their blood sugar control is stable and they have no corn allergy, but they should pay attention to moderation, as overconsumption is prone to blood sugar fluctuations. Type 2 diabetes is a chronic disease caused by insulin resistance and insulin secretion insufficiency, often manifested as hyperphagia, increased water intake and urine output, weight loss. Corn is a cereal coarse grain, high starch content, type 2 diabetes patients if the blood sugar control can be, and no corn allergy, can be eaten in moderation to relieve cravings. Excessive consumption within a short period of time is likely to cause elevated blood glucose, which is not conducive to the condition. Diet for type 2 diabetes patients should avoid eating too much high-carbohydrate food in a short period of time, limit the intake of sugar, salt and oil, and recommend a moderate amount of grains, vegetables and other comprehensive diets. Please refer to the guidance of dietitians for specific dietary regimens for type 2 diabetic patients.