目的 :从荆芥中提取挥发油 ,并测定其含量。方法 :运用微波技术提取荆芥中的挥发油 ,利用重量法进行含量测定。结果 :测得荆芥中挥发油的含量为 1 2 3 0 5 %。结论 :首次运用微波技术从荆芥中提取挥发油 ,反应速度大大加快 ,收率提高 Objective : To extract volatile oil from Nepeta and determine its content. Methods : Microwave technique was used to extract volatile oil from Nepeta saccharifolium. The content was determined by gravimetric method. Results : The volatile oil content in Nepeta was measured as 1 2 3 0 5 %. Conclusion : For the first time, volatile oil was extracted from Schizonepeta using microwave technology. The reaction rate was greatly accelerated and the yield increased.