Abstract: AIM: To survey the morbidity of chronic filariasis in Hunan Province where the disease had been basically eliminated during 1991 1993. METHOD: 108 villages of 12 counties/cities were randomly selected and investigated on fliariasis endemicity. Local residents above ten years of age were inquired about illness and susbjected to physical examination. RESULTS: 470 chronic filariasis cases were discovered, the prevalence being 0.4% in a population of 111 127, of which elephantiasis accounted for 0.1%, hydrocele 0.2% and chyluria 0.1%. A total of 386 cases were detected before, and 84 after, the basic elimination of filariasis, the prevalence being 0.4% and 0.07%, respectively.CONCLUSION: The results indicated that after basic elimination of filariasis, new elephantiasis cases have not been detected in endemic areas of malayan filariasis, while few new cases of chyluria and hydrocele continued to delevop in areas endemic for bancroftian and mixed filariasis.