Abstract:Cinnamomum tenuipilum Kosterm. is a new perfume plant in Yunnan. Based on its major compounds of leaf oils from different strains, nine chemical types could be divided. Among them, the content of faresol type is 54-71 percent, of geraniol type is 86-98 percent, of linalool type is 84-98 percent, of methyl eugenol type is 69-89 percent.