目的　观察基本消灭丝虫病后的传播规律 ,为消灭丝虫病提供依据。方法　采取病原学、蚊媒、血清学纵、横向监测技术。结果　 71个流行县 (市 )经 12～ 2 0年的横向监测 ,微丝蚴率从内转阴 ,人群血清抗体水平与非流行区接近。结论　江苏省丝虫病已达到阻断传播标准 Objective To observe the propagation rule after the basic elimination of filariasis and provide the basis for the elimination of filariasis. Methods Etiology, mosquito vectors, serological longitudinal and lateral monitoring techniques. Results 71 epidemic counties (municipalities) by 12 to 20 years of lateral monitoring, microfilaria rates from within the negative, the crowd serum antibody levels and non-endemic areas close. Conclusion Filariasis in Jiangsu Province has reached the standard of blocking transmission