The study showed that the essential oil of Vietnamese balm contained several main compounds such as translimonene oxide, trans-caran, 4, 5-epoxi, verbernol, citral, bicycloemene, isoterpinolene. In which, verbernol accounted for the highest rate at 28, 87%, followed by citral accounted for 23, 65% and isocaryophylene accounted for 22, 08%.