Baijiu, the main raw material of grain, is made from the saccharification starter, such as daqu, xiaoqu or gluteng, etc., which is made by steaming, saccharifying, fermenting and distilling. Also known as cooking wine, white dry, burning knives, etc. The wine is colorless (or yellowish) transparent, fragrant and pure, with a sweet and clean mouth, high alcohol content, and a compound fragrance with esters as the main body after aging. A variety of liquors made from starch (saccharide), made from starch (sugar), by cooking, saccharification, fermentation, distillation, aging and blending. In the strict sense, the blending of alcohol and spices is not a white wine. Liquor main focus in the upper Yangtze river and the chishui river basin in guizhou renhuai, yibin in sichuan province, mianzhu triangle has the world's largest, quality optimal distillation wine producing region, respectively, for China's three big famous five MAO jian, the liquor industry cluster shoulder for about half of the Chinese liquor industry country side.