Mikania scandens (L.)Willd. is belonging to the family Asteraceae. This is a wild climber notorious for the pattern of growth which is causing menace to the nearby plants as they climb on them and cut light to the host leaves. Eventhough this plant is wild one with a lot of herbage the economical potentialities are not studied yet. This is an attempt to reveal the phytochemical aspects of the leaf essential oil of Mikania scandens. The essential oil obtained by hydrodistillation was used for GC/ MS studies. Fifteen bioactive compounds of great medicinal value were identified.