Contraindication to eating soba noodles is prohibited for those who are allergic to buckwheat. Although, buckwheat noodles have a certain nutritional value, but there are still contraindications, if they are allergic to buckwheat noodles, you need to avoid eating this product to prevent the manifestation of food allergy, visible swelling of the mouth and throat, itching, diarrhea, nausea and other symptoms. Secondly, because the glycemic index of buckwheat noodles is about 59.3, belonging to the medium glycemic index food. Therefore, for diabetic patients with unstable blood sugar, it is recommended to eat buckwheat noodles in moderation, not a large amount of intake, not conducive to the control of the disease. In addition, eat soba when you need to pay attention to the amount of food intake, to avoid eating too much to cause indigestion, bloating, abdominal pain and other discomforts. Daily life need to eat regularly, regular quantitative, rational combination of meals, balanced nutrition. If there is obvious discomfort after eating soba, you should go to the hospital.