Chemical constituents of Mosla dianthera Maxim essential oil were studied. Experimental results showed that its main constituents are: carvacrol, thymol, β-caryophyllene, thujone, 1,8-cineole, and isopulegone. 对不同产地的小鱼仙草全草精油主要化学成分:香荆芥酚、百里香酚、β石竹烯、侧柏酮、异胡薄荷酮、1,8桉叶油素的含量进行对比分析。