Abstract: Objective This study was conducted tO provide evidence for exploring more effective monitoring methods after malaria basically eliminated．Methods The monitoring results of 16 years after malarial disease was eliminated basically in Jiaxing City were summarized and analyzed．Results In the 16 years, total 206 157 people were monitored，and 331 patients were found，and the annual incidence rate was less than l/lakh．Except for passive monitoring for patients of "three kinds of fever" in local medical units，the active search by special disease control personnel in places where floating population were centralized was also a very good monitoring method，and the floating population are the main people group for local malarial disease monitoring．Conclusion Local epidemic situation was relative stable，but the monitoring method was still to be improved properly．