Eating corn will raise blood sugar. Corn contains starch and a certain amount of sugar, glycemic index moderate, normal people eat corn blood sugar rise will not exceed the normal range, diabetic patients eat a lot of corn will appear elevated blood sugar, but also aggravate the gastrointestinal burden. Diabetic patients should control the diet, to maintain the stability of the total calorie intake. Corn belongs to the cereal food, rich in dietary fiber, belongs to the health food. Dietary fiber can delay the absorption of sugar, increase satiety, improve constipation, suitable for most people to eat. Normal people eat corn blood sugar rise, but will not exceed the normal value. Diabetic patients eat a lot of corn will raise blood sugar, be careful to control the amount of food, can not eat too much at a time. High blood sugar people should strengthen dietary control, low sugar, low fat, balanced diet, not only to ensure nutrition, but also to stabilize the total calorie intake in a reasonable range, to prevent fluctuations in blood glucose is not good for the body. Diabetic patients dietary control should be carried out under the guidance of a doctor, discomfort, timely consultation, do not private medication, so as not to cause adverse consequences.