Objective To analyze the detection results of measles serum samples,the epidemic and clinical characteristics of measles cases so as to provide guidance for local prevention and control measles.Methods From the national disease surveillance information management system,the data of Caoxian measles epidemic,combined measles IgM and rubella IgM detection and isolation of measles virus of the suspected measles cases were conducted,and the epidemiological characteristics and classification of the cases were observed.Results A total of 227 cases of suspected cases of measles were reported,and serum sample collection rate of measles suspected cases was 72.69％ with the positive rate of measles IgM 18.71％,in 12 cases of throat swab specimens,5 strains of measles virus were isolated,genotype H1a confirmed.In all suspected measles cases,the people without measles vaccination reached 49.78％.168 cases were confirmed measles,and of which,the constituent ratios of the groups aged under ＜ 4 years were 80.95％.Preschool children and scattered children were the main group of measles,accounting for 89.29％.The main clinical manifestations included fever,more than 38.5℃ accounting for 86.63％,rash starting positions for the face accounting for 72.95％,with oral mucosal patches accounting for 72.80％.The top three complications of measles were pneumonia,myocarditis,Laryngitis.Conclusion Measles incidence was related with age,gender,occupation,season,mainly in sporadic.The measles virus was H1 genotype.