Abstract: In order to make use of a harmful weeds, Eupatorium adenophorum Spreng., its odorous constituents were studied. Its aroma quality and possible application were evaluated. 45 compounds were identified qualitatively and quantitatively in the essential oil by GC / MS, the main compounds were p-cymene and bornyl acetate. The results shown that the weed is a kind of valuable raw perfumery material. The application of the weed to the perfume Industry will result in economic profits but also control the spread of the harmful weed.

Key words: Eupatorium adenophorum