Objective:To analyze the chemical components of the essential oil from different parts of the Ilex hainanensis and provide scientific basis for its quality control.Method:The volatile oil from the leaves,stem of I.hainanensis was obtained by steam distillation and analyzed by gas chromatography-mass spectrometry.The relative content was determined by area normalization.Result:Twenty-four components were identified from the stem,in which accounting for 94.97% of total volatile oil.33 components were identifi...