Method:The volatile oils were extracted from Jinshangzhitong plaster,Radix Angelicae Sinensis,Olibanum and Myrrha by steam distillation and identified by GC-MS.

• 方法:采用水蒸气蒸馏法分别从当归、乳香、没药、筋伤止痛贴中提取挥发油;