Soba has a glycemic index of 59.3. Soba belongs to the middle glycemic index food, compared to rice, white flour staple food, glycemic index is relatively low. For high blood sugar, obese people or diabetics, buckwheat noodles are a better choice of staple food, appropriate consumption can increase the sense of satiety and does not lead to greater fluctuations in blood sugar. Because the glycemic index of buckwheat noodles is relatively low, so people with diabetes can use buckwheat noodles as a staple food. If eating soba noodles, blood sugar fluctuations, may be due to excessive consumption of blood glucose, so diabetics should also pay attention to the amount of food. For diabetic patients, it is recommended to consult a regular hospital, can be under the guidance of the doctor reasonable diet and standardized treatment.