The volatile oil was extracted from Artemisia argyiLevl.et Vant in Jiangsu by steam distillation.The components of the essential oil were separated and identified by GC-MS,and the relative content of each component was determined by peak area normalization.Results: seventy-six kinds of components were separated and sixty-eight components were identified among them,accounting for about 89.72% of the total essential oil.The main chemical constituents of the essential oil from Artemisia argyiLevl.et Vant in Ji...