Abstract: The chemical components of the leaf essential oil from Cinnamomum platyphyllum (Diels) Allen were analyzed by GC--MS--DS technique, the liner temperature programmed retention index, and authentic sample superimposition. Fifty-eight of two hundred fifty components, which make up 97.27% of the total oil, isolated by the capillary gas chromatography, were identified.The major components are camphor (28.57%) etc.

Key words: Cinnamomum platyphyllum

摘要： 用毛细管气相色谱一质谱一计算机联用技术、毛细管气相色谱保留指数法和标准品叠加法分析了银木叶精油的化学成分。从分离出来的250个成分中，初步鉴定出59个成分，其含量占总组成的97．27％。最主要成分是樟脑（28．57％）等。

关键词: 银木, 精油, 樟脑, 保留指数