According to scientists have confirmed that buckwheat tea contains flavonoids, its main component is rutin. Rutin content accounted for 70 to 90% of the total flavonoids, rutin, also known as rutin, vitamin P, has the effect of reducing capillary fragility, improve microcirculation, in the clinic is mainly used for diabetes, hypertension, adjuvant therapy. Rutin is almost absent in other grains. In recent years, people have studied the nutritional composition of buckwheat and its anti-aging and other health effects on the human body, the results show that: in the buckwheat tea is not only rich in protein, chlorophyll, fat, carbohydrates, crude fiber, minerals and trace elements, but also contains 18 kinds of natural amino acids, the total content of 11.82%, and contains 9 kinds of fatty acids, young children to promote the role of growth and development. For adults can prevent the occurrence of coronary heart disease