Objective To investigate the epidemiological characteristics of measles cases ofnew genotype D8 in Beijing from January to June,2013.Methods Epidemiological survey anddescriptive analysis was conducted.Results 661 suspected measles were reported from January toJune.2013.416 were confirmed measles cases by serology and etiology detection.28 measles caseswere caused by genotype D8 measles virus by genotype identification.There were 2 measles outbreakincluding 14 cases and 14 sporadic cases.The incidence peak was during April and May.25 cases(89.3%.25/28)occurred in downtown and suburban districts.22 cases(78.5%,22/28)were adultsaged 15-39 years and 19 cases(67.9%,19/28)were migrant population.12 cases(85.7%,12/14)inoutbreak were migrant population WOrking in clothing sales.There was epidemiological associationbetween 2 outbreaks.Conclusion Measles cases of genotype D8 were found for the first time inBeijing.Genotype D8 virus mainly infected migrant adults and caused local outbreak and endemic.