Abstract: Objective To understand the epidemiological characteristics of mumps in Yuhang district, provide scientific evidence for the development of effective prevention and control strategies. Methods Descriptive epidemiological analysis was conducted on the incidence data of mumps in Yuhang from 2004 to 2010 collected from Yuhang district CDC and national disease reporting information system. Results A total of 2582 mumps cases were reporterd during this period with the average annual incidence of 43.86/lakh. Totally 1612 cases occurred in males, and 970 cases occurred in females with the sex ratio of 1.66:1. The difference on the average annual incidence betrween males and females had statistically significace (2 = 25.23, P 0.05). The seasonality of mumps was obvious. The diseae mainly affected children and adolescents aged 15 years and the outbreaks mainly occurred in middle/primary schools and child care settings. Conclusion The incidence of mumps is still high in Yuhang. It is recommonded to conducts measles immunization using measles rubella mumps containing vaccine in preschool aged children besides the children aged 18-24 months to effectively control the spread and outbtrak of mumps.