Buckwheat tea is rich in nutrients, including rutin, vitamins, etc., moderate intake is beneficial to the human body. 100 grams of buckwheat contains 319 calories, of which 3 grams of carbohydrates, 1.7 grams of fat, 9.5 grams of protein, calcium 154 mg. Rutin, also known as vitamin P , buckwheat is the most abundant substance, it can help the body to soften blood vessels, play a role in improving microcirculation, in addition to rutin is also one of the important pigments needed for the retinal macula, can protect vision. But buckwheat tea in the rutin content is limited, can not prevent and treat disease. Buckwheat contains vitamin E. Vitamin E is a very important antioxidant vitamin. Buckwheat as a plant also contains fiber, these fibers can promote intestinal peristalsis. Buckwheat contains numerous nutrients, usually can be consumed in moderation.