Abstract: Based on the analysis of the distribution status and impact of Spartina alterniflora in Shandong Province, different control methods were selected from different control regions to carry out pilot studies, and the preventive treatment methods of Spartina alterniflora were compared and analyzed, and the preventive treatment effect was tracked and evaluated. The main preventive treatment methods and achievements in Shandong Province were summarized, and the problems in the current survey, monitoring, preventive treatment mechanism and other aspects were pointed out, and the long-term preventive treatment measures were further proposed with a systematic concept, to provide experience and ideas for guiding the next step of efficient comprehensive governance.