Abstract:Heptatriacontane, benzoic acid, suceinie acid, palmitic acid, stearic acid. β-sitosterol. stigmasterol, daucosterol, D-mannitol, D-glucose, sucrose and choline chloride were isolated from the roots of Arisaemo fargesii collected from Gansu Province. Their structures were elucidated by spectroscopic methods and a few chemical transformations. The twelve compounds have not been reported before as constituents of Arisaema fargesii.