目的了解北京市朝阳区2010-2012年水痘病例流行病学特征,探讨防控对策。方法采用描述性流行病学方法,对水痘病例资料进行分析。结果朝阳区2010-2012年水痘发病处于较高水平,但发病率呈逐年下降趋势;全区43个街乡均有病例报告,城市地区的水痘发病数和发病率均低于农村地区;全年发病有两个高峰期和两个低谷期;年龄最小的1月,最大的87岁。<15岁占63.35%,发病率最高为6岁组,学生发病最多占42.46%。小学和托幼机构最易发生暴发。结论 2010-2012年朝阳区水痘发病的重点人群为托幼机构儿童和中小学生,需进一步采取有针对性的措施控制水痘疫情的发生。 Objective To understand the epidemiological characteristics of chickenpox in Chaoyang District of Beijing from 2010 to 2012 and to explore the control strategies. Methods Descriptive epidemiological methods were used to analyze the varicella cases. Results The incidence of chickenpox in Chaoyang District was at a high level from 2010 to 2012, but the incidence rate showed a declining trend year by year. There were case reports in 43 townships and townships throughout the district, and the incidence and incidence of chickenpox in urban areas were lower than those in rural areas. There are two peak incidence and two troughs; the youngest in January, the largest 87-year-old. <15 years old accounted for 63.35%, the highest incidence of 6-year-old group, students accounted for up to 42.46% incidence. Primary schools and kindergartens are most vulnerable to outbreaks. Conclusion The focus of chickenpox incidence in Chaoyang District was children and primary and secondary school children in kindergartens and nurses from 2010 to 2012. Further measures should be taken to control the occurrence of chickenpox epidemics.