Biological invasion is becoming a pervasive eco-environmental problem. Based on the record analysis of the introduced plant species in Lushan and investigated in the field，we found that there were 2285 plants species introduced in Lushan，and 127 exotic plants among the 1301 plant species cultivated in the field. It makes up 8.89% of the cultivated and 5.56% of the introduced species.We analyzed the data on floristic composition，biological attributes，native range，and introduced time of the 127 exotic plants.It has been found that Compositae, Scrophulariaceae，Gramineae，Caryophllaceae and Amarathaceae were the families with the largest species composition because the species in these 5 families accounted for 86.76% of the total exotic plants. There are 114 herbs，making up 86.76%，among 127 exotic plants，so most of the exotics are herbs，Most of the exotics originated from North American，Europe and Asian and preliminary purpose was for ornament and medicine.About 70 species are listed in the 100 most invasive plant species in China.