目的　分析两起麻疹爆发的原因 ,探讨有效的防疫措施 ,为进一步控制麻疹发病率、尽早实现江苏省加速控制和消灭麻疹的目标提供依据。方法　采用爆发调查和个案调查相结合的方法。结果　大量易感人群的积累、接种质量不高以及疫情上报不及时是导致这两起麻疹爆发的主要原因。结论　应不断加强麻疹接种质量、提高麻疹的接种率并建立健全快速敏感的监测系统。 Objective To analyze the causes of the two measles outbreaks and to explore effective epidemic prevention measures to provide the basis for further controlling the incidence of measles and achieving the goal of accelerating control and eliminating measles in Jiangsu Province as soon as possible. Methods Using a combination of outbreak investigation and case investigation. Results The accumulation of a large number of susceptible people, the poor quality of vaccination and the non-timely reporting of the epidemic were the main reasons leading to the outbreak of these two measles cases. Conclusion The quality of measles vaccination should be continuously strengthened, the measles vaccination rate should be raised and a sound and speedy monitoring system should be established.