Buckwheat flour is glycemic, but compared to fine grain flour, buckwheat flour has a lower glycemic index. Any food with calories after eating will cause an increase in blood sugar, but normal people with normal insulin secretion, blood sugar fluctuations are not obvious, while the blood sugar of patients with hyperglycemia will rise significantly. Eat buckwheat flour will also cause elevated blood sugar in patients with hyperglycemia, but compared to white flour and other fine grain flour, its glycemic index is lower. Buckwheat is a coarse food, rich in dietary fiber, low glycemic index, but also to enhance the body’s sense of satiety. Compared with white rice, white flour and other fine grains, quinoa, buckwheat, oats, corn and other coarse grains are more suitable for patients with high blood sugar as a staple food. Consult your physician or dietitian for specific dietary combinations.