Chicory, a perennial herbaceous plant in the composite family and genus Chicory. Distributed in Beijing, Heilongjiang, Shanxi, Shaanxi, and Jiangxi province.The whole grass contains bitter substances such as chestnut bark extract, chestnut bark extract, wild lettuce extract, mountain lettuce extract, and mountain lettuce extract. Root contains mountain lettuce element α- Mountain lettuce alcohol, wild lettuce glucoside. Dual use of medicine and food.