Abstract:Twenty compositions from the leaves and stems of Stellera chamaejasme have been identified by GC-MS-DS. The main compounds are n-octadecane; 2, 6, 10, 14-tetramethylhexadecane; nnonadecane; methyl palmitate; palmitic acid; ethyl palmitate; 9, 12, 15-octadecatrienoate; 9, 12-octadecadienoic acid and octadecanoic acid.