Cinnamomum camphora not only is a famous non-wood tree,which can be used to extract camphor,C.camphora oil and its ramification,but also an excellent timber tree.Researches about the chemical composition of C.camphora root wood was very less,this restricted the development and utilization of the root of C.camphora.Therefore,Py-GC/MS technology is used to analyze the chemical components of C.camphora root wood for utilizing the root wood's higt-trade outcomes.After treated with freeze-drying and smashing,the samples were extracted by the benzen...