In China, buckwheat is mainly distributed in Inner Mongolia, Shaanxi, Gansu, Ningxia, Shanxi, Yunnan, Sichuan, Guizhou, followed by Tibet, Qinghai, Jilin, Liaoning, Hebei, Beijing, Chongqing, Hunan, Hubei and other regions. In the world, buckwheat is currently not cultivated in the world in addition to Antarctica, Asia, Africa, North America, South America, Europe, Oceania are buckwheat cultivation.

Buckwheat, also known as: net intestinal grass, wheat, triticale, is Polygonaceae buckwheat, 75 days to maturity, the north can be two seasons, annual herbs. Stem erect, 30-90 cm high, upper branches, green or red, with longitudinal ribs, glabrous or along one side of the longitudinal ribs with papillae. Leaves triangular or ovate-triangular, 2.5-7 centimeters long, 2-5 centimeters wide, apical acuminate, base cordate, papillate along the nerves on both sides.

The main varieties of buckwheat are two types: sweet buckwheat and buckwheat, buckwheat, buckwheat grain protein content is low, the main protein for the globulin, with antioxidant, hypoglycemic, lipids, the effect of long-term consumption of beauty, reduce cholesterol and delayed aging.

Tongliao City, Inner Mongolia Autonomous Region, Kulun Banner is known as "China's buckwheat township". Due to geography, climate, soil and other conditions are particularly suitable for buckwheat growth, buckwheat has always been the main food crops in the Kulun Banner, the entire flag every year buckwheat planting area of more than 350,000 acres, and its output accounts for about a quarter of the country.