[Objective] To analyse the trend of Japanese encephalitis, so as to provide scientific basis for developing comprehensive prevention and control measures of Japanese encephalitis.[ Methods] By using the epidemic information, weather data, monitoring results of three female Culex tritaeniorhynchus, Japanese encephalitis, the overall vaccine inoculation level of Japanese encephalitis, and the protective effect of Japanese encephalitis antibody in healthy people, the incidence trend of Japanese encephalitis were comprehensive analyzed and predicted.[ Results] The incidence of Japanese encephalitis in Jiangyang District showed to be significantly increased compared with that in the last year.The number of Japanese encephalitis cases was around 6-30 cases, and the peak age were concentrated in 2-6 years.[Conclusion] Japanese encephalitis are the main mosquito-borne diseases in Jiangyang District, and we should make full use of existing data analysis and prediction to control Japanese encephalitis and its spread.