Buckwheat dietary fiber content high, and contain bioflavonoids, phenols, linoleic acid and calcium, magnesium, copper, iron, zinc, selenium and rich vitamin and other special nourishment composition, have fall hematic fat, reduce blood sugar, softening vessels, such as effectiveness, known as beauty, health, prevent the health food. International agricultural nutrition and health organization thinks, buckwheat in the 21st century will become a major crop.