Buckwheat is the role of the prevention and control of high blood pressure, coronary heart disease. Buckwheat powder containing a lot of flavonoids compounds, especially rich in rutin, rutin has many aspects of physiological function, can maintain blood capillary resistance, reduce its permeability and brittleness, promote cell hyperplasia and prevent blood cells agglutinate, and reducing blood fat, dilating coronary artery, and enhance the coronary artery blood flow functions. Buckwheat powder contain rich vitamin have lower blood fat and cholesterol human body, is the treatment of high blood pressure, cardiovascular disease important auxiliary drugs. And, buckwheat flour contains some trace elements, such as copper, iron, magnesium, potassium and other these for cardiovascular protective factors.