Chinese Angelica is a perennial herbaceous plant belonging to the Umbelliferae family which Mainly are distributed in southeastern Gansu, Yunnan, Sichuan, Shaanxi, Hubei and other provinces in China. It mainly contains volatile oils such as ligustilide, Danggui ketone, kaempferol, n-butenofuralide, verbenone, safrole, as well as organic acid components such as ferulic acid, vanillic acid, niacin, succinic acid, etc. It also contains Danggui polysaccharides, amino acids, vitamin A, etc. Dual use of medicine and food.