Buckwheat can not be eaten for a long time is a misunderstanding. Buckwheat contains bittersweet, some people believe that bittersweet toxic, so can not eat buckwheat long-term, this is a misunderstanding, buckwheat bittersweet is not toxic. In addition to providing carbohydrates, buckwheat also contains protein 9.7%, B vitamins and trace elements such as: calcium, phosphorus, potassium, magnesium, iron, selenium, etc. are higher than rice (protein 7.4%) content, and selenium content of 5.60 μg/100 grams of rice selenium content of 2.20 μg/100 grams higher than two times. Consumption of buckwheat can replenish the body’s need for nutrients, selenium and other trace elements can be supplemented to help maintain the body’s normal physiological functions. Although buckwheat has many benefits, a single serving can not meet all the nutrients needed by the body, the need for a variety of meat and vegetables with each other, in order to achieve nutritional balance.