Buckwheat as a food, eaten in moderation is not bad for the body, can provide the body with carbohydrates and other nutrients. So breakfast is not recommended to eat buckwheat this statement is not scientific. However, it should be noted that the long-term consumption of buckwheat should be avoided in large quantities. Buckwheat is mainly composed of carbohydrates, buckwheat in the carbohydrate ratio of 73%, higher than the content of most foods accounted for, is a better carbohydrate food choice, so buckwheat is a staple food. Minerals, buckwheat in the potassium content of 401mg/100g, ranked high in similar foods, it can be used as a better food source of potassium. Buckwheat has a high nutritional value, can be eaten in moderation as breakfast, but do not eat a large number of long-term, otherwise it will bring a digestive burden on the stomach and intestines. In addition, the diet should pay attention to balanced nutrition, consumption of buckwheat food can be combined with milk, vegetables and so on. Allergic to buckwheat should not eat buckwheat.