Patients with high blood sugar can eat sweet corn in moderation. Sweet corn generally refers to fruit corn, rich in carbohydrates, a variety of vitamins, dietary fiber, amino acids and mineral composition, moderate consumption of sweet corn can increase satiety, but also supplement the body’s nutritional needs. However, note that after eating sweet corn should be appropriate to reduce the intake of other staple foods, so as not to lead to a further increase in blood sugar levels. Patients with high blood sugar need to control the amount of sweet corn intake, intake of too much sweet corn may lead to excessive total energy intake, may cause weight gain and elevated blood glucose, but also may aggravate the burden on the gastrointestinal tract, which is not conducive to good health. Patients with high blood sugar should follow the doctor’s advice to eat reasonably.