Abstract: Objective This analysis was to explore and discuss the onset characteristics and epidemic trend of viral hepatitis in Changning District so as to establish more pertinent control measures.Methods Office software Excel 2000 was utilized to assay the epidemic and moniloring data of hepatitis from 1996 2003 in Changning district and ELISA was adopted to conduct etiological typing test of hepatitis Results The annual average incidence of hepatitis from 1996 to 2003 in Changning was 70.48／lakh，taking on a stable declining tendency annually. The onset showed a certain seasonal trait and the ratin of male vs female was 1.75：1 with young adults predominating. Onsets related with occuapation demon strated that workers，cadre derks and resignees were the majority. Grouping monitoring indicated that the proportion of hepatitis A descended，while hepatitis B rised，and that of hepatitis E surmounted hep-atitis A. Conclusion Because of the different prophylactic measures adopted at each tache of the epi-dernic of viral hepatitis in Changning，the incidence of viral hepatitis showed a stable but decreasing trend. In addition to the consolidation of low morbidity of hepatitis A，the preventive work of hepatitis should be focused on hepatitis B. We should strengthen the typing diagnosis of unidentified hepatitis and improve typing report rate.