Objective To investigate effective prevention of measles of children.Methods The investigator analyzed retrospectively the data of 108 measle patients hospitalized from January 1999 to December 2003.Results The incidence of measles showed increasing trend,for example,the incidence of measles in 2003 was 2.7 times that in 2002.The incidence of measles of infants(under 8 months) was 22.2%,the incidence of measles of floating population was 11.11%.It was found that the incidence of measles among the patients with measles vaccination was 45.37%,meanwhile the incidence of measles among the patients without measles vaccination was 44.44%.10.19% of the patients were not sure whether they had measles vaccination or not.87.04% of the cases had not contacted measles patients.Some cases were atypical.Conclusion The in creasing trend of child measles merits attention.