Invasive plants in the National Nature Reserve of Lake Poyang were investigated, and 19 speciesfamilies were found, among which Compositae was the most, 4 species.Among the invasive plants, Solvia,16 genuses, and 12a at hemifolia, DaacuscarotaCeraniam carolinianum and Alternaathera philoxeroides seriously harm to wetlandlure reSer eby nature and human activities, and their distributionaffected by waterInvasive plants were brought into the na-level of lake.