[目的 ]探讨日照市麻疹的流行规律。 [方法 ]采用描述流行病学分析方法 ,对日照市 1990～ 2 0 0 3年麻疹疫情、免疫接种和免疫监测资料进行分析。 [结果 ] 1990～ 2 0 0 3年 ,麻疹累计发病 2 5 0例 ,年均发病率为 0 66/ 10万 ,1997年、1998年和 2 0 0 2年无发病 ;1～ 5月合计发病 2 2 3例 ,占总数的 89 2 0 %;≤ 8月龄的 10例 ,1～ 7岁的 69例 ,15～ 3 8岁的112人 ;有麻疹疫苗免疫史的占 49 2 0 %;7起麻疹暴发疫情合计发病 14 2例 ,占发病总数的 5 6 80 %。 [结论 ]日照市麻疹疫情呈下降趋势 ,但 8月年龄以下和大年龄组病例占相当比例 ,并有暴发疫情 ,应进一步加强监测 [Objective] To investigate the prevalence of measles in Rizhao City. [Methods] The descriptive epidemiological analysis method was used to analyze the data of measles epidemic, immunization and immune surveillance in Rizhao from 1990 to 2003. [Results] From 1990 to 2003, the cumulative incidence of measles was 250 cases with an average annual incidence of 0 66/10 million. There was no morbidity in 1997, 1998 and 2002, and the total incidence of measles in January to May 22 23 cases, accounting for 89 20% of the total; 10 cases of ≤8 months old, 69 cases of 1 to 7 years old and 112 cases of 15 to 38 years old; 49 20% of those with measles vaccine immunization history; Outbreaks of measles outbreaks occurred in 14 2 cases, accounting for 56.06% of the total. [Conclusion] The epidemic situation of measles in Rizhao City showed a decreasing trend, but a significant proportion of the cases were under the age of August and the large age group, and outbreaks were outbreaks, and the surveillance should be further strengthened