Corn belongs to coarse grain food, which will not gain weight if eaten too much, and also has the function of losing weight. It is rich in calcium, phosphorus, selenium, lecithin and vitamin E, all of which can reduce serum cholesterol. Eating more corn can also keep your eyes young and beautiful. Corn contains more crude fiber, which is 4- 10 times higher than polished rice and refined flour. Corn also contains a lot of magnesium, which can strengthen the intestinal wall.