andelion whole grass contains dandelion sterol, choline, inulin, pectin and the like. The root contains dandelion alcohol, dandelion alcohol, sputum-gluco sterol, dandelion sterol, β-aromatic alcohol, stigmasterol, β-sitosterol, choline, organic acid, fructose, sucrose, glucose, glucosinolate and resin, Rubber, etc. Leaves contain lutein, butterfly plum flavonoids, leaf green mites. The flower contains arnica diol, lutein and edulis. The pollen contains β-sitosterol, 5z-myristyl-7-ene-3β-ol, folic acid and vitamin C. Green flower buds contain green leaves. The flower stem contains β-sitosterol and β-aromatic alcohol.