Abstract: Eupatorium adenophorum Sprengel is a kind of poisonous weed. At present, it is expanding more and more in southwestern part in China day by day, which is severely dangerous. Up to now, there is not an effective method to control them. Recently, people are gradually shifting from the management and control of E. adenophorum to the exploration and utilization of it, trying to transform the disadvantages to the advantages. The content of mineral nutrient elements in the 12 samples of E. adenophorum form Yunnan, Sichuan, Guizhou and Guangxi province or autonomous region were analysed, and evaluated its quality of organic manure. The result shows that E. adenophorum belong to the second class organic fertilizer.