Edible. High cellulose content can stimulate gastrointestinal peristalsis, prevent and treat constipation, enteritis and intestinal cancer, promote diuresis and blood pressure reduction, stop bleeding and diarrhea, help digestion and lower cholesterol, and prevent hypertension and coronary heart disease. Corn has high cellulose content, which can stimulate gastrointestinal peristalsis, accelerate fecal excretion, and prevent constipation, enteritis and intestinal cancer. Corn has the functions of longevity and beauty. Corn germ tip has the function of regulating nervous system, which can make skin soft and smooth, inhibit and delay wrinkles. Corn has the functions of regulating appetite and reducing blood fat. Corn must have diuretic and antihypertensive effects, stop bleeding and diarrhea, and help digestion. Corn oil can lower serum cholesterol and prevent hypertension and coronary heart disease. When eating corn, you should eat all the embryo tips of corn, because many nutrients of corn are concentrated at this time. Tryptophan is lacking in corn protein. Eating corn alone is easy to rot, so areas where corn is the staple food should eat more beans. Cooked corn is better. Although cooking made it lose some vitamin C, it gained more nutritional value and higher antioxidant activity. It can produce carcinogens when it is moldy, so moldy corn must not be eaten. The sugar it contains is not harmful to your blood sugar. You can take it safely, just in moderation.