Corn is not high in sugar, belongs to the moderate sugar content of food, fresh corn sugar content of about 22.8 grams, corn is a whole grain food, which is rich in dietary fiber, beneficial to human health. Corn dietary fiber can effectively delay the absorption of sugar, and can also varying degrees to delay the absorption of cholesterol, appropriate consumption can increase the body’s sense of satiety, reduce hunger. Appropriate intake of corn can better enable the body to absorb water, accelerate intestinal peristalsis, so that regular bowel movements, whether diabetic or high blood sugar patients, can be appropriate intake of corn, but can not eat too much at one time, so as not to increase the load on the gastrointestinal tract, resulting in abdominal pain, diarrhea, nausea, vomiting occurs. Diabetic patients should eat and treat reasonably under the guidance of the doctor.