By isopropyl alcohol extraction technique and steam distillation extracted volatile oil from chinese herb-Folium Artemisiae Argyi. The GC-MS analysis showed that five new components in volatile oil including butanoic ethyl ester, 1,3-dimethyl benzene, n-butyl ether, trans-1-butoxy-butene and butanoic 2-methylpropyl ester were obtained. The result showed that the proposed method was good for extracting volatile oil of Folium Artemisiae Argyi.