Abstract:In this paper, the physicochemical constants and some constitutuents of the essential oil of Myristica fragrans Houtt. (scmens and leaves) cultivated on Hainan Island have been determined and compared with those of imports from Malaysia. The results show that the two oils are basically similar in main constituents and physicochemical constants, but different in relative contents. The volatile oil content of the leaves is 1.4%, which proves suitable for comprehensive utilization.