Hubei is one of the important provinces producing Chinese Camphor Oils. The chemical structure of camphor oils in Hubei Province were examined qualitatively and quantitatively by GC/MS technique, among which 108 compounds have been identified. Through the phytochemical classificatory method, 12 major chemical forms of camphor oils in Hubei Province have now been known. The economic uses and utilization value of every major constituent in different chemical forms have been analysed and discussed respectively...