Fava beans do not have a high glycemic index. The glycemic index of fava beans (five-spice) is 17, and the glycemic index of dried fava beans is 40, both of which are low glycemic index foods. 100 grams of broad beans contain 338 calories, 61 grams of carbohydrates, 21 grams of protein, 1 gram of fat, 1.7 grams of fiber. Carbohydrate content is still relatively high, although the glycemic index is not high, diabetic patients still need to have control over the amount, because it will lead to heavy glycemic load. Fava beans are also rich in dietary fiber and a variety of vitamins, and when eaten in moderation, they can replenish the vitamins needed in the body and promote intestinal peristalsis, which is helpful to human health. It should be noted that many times it will be processed and made by frying or adding batter, which is not suitable for patients with diabetes. Allergy to fava beans and fava bean disease patients should not eat fava beans.