Abstract: This work is to analyze volatile compounds from the stems and leaves of three plants which including Zingiber purpureumRosc,Zingiber flavomaculatum S.Q.Tong.,Zingiber orbiculatum S.Q.Tong..SDE-GC-MS was set up to analyze volatile compounds from the stems and leaves of three plants in Zingiber,and their differences were discussed.One hundred and thirty-nine volatile compounds were isolated and identified from the stems and leaves of the three plants,mainly are terpenes and their oxygenated compounds,the compositions of volatile oil from the stems and leaves of three plants showed significant difference.Volatile compounds in the stems and leaves of the three plants are very rich,and many chemical compositions have aromatic or pharmacological activities,which can make them be used in essence spice field or in the field of Chinese medicine.