The ability of breeding and growing for eupatorium adenophorum is very strong, at present, it has spread 17 counties in Liangshan region. Every year it enlarges eastwards and northwards for its limits at the speed of 30km and brings serious harm to the production of agriculture, animal husbandry and forestry. This article illustrates invading, harming situation and comprehensive harnessing means of eupatorium adenophorum in liangshan.