Abstract: Objective To analyze the epidemiological characteristics of the children and adolescent patients stuck in the nationally notified infectious disease in Tongzhou District,and to provide a scientific reference for the prevention and control of the infectious disease among adolescent.Methods Descriptive epidemiological method was used to analyze the epidemiological characteristics of the nationally notified infectious disease among children and adolescent in Tongzhou District.Results From 2005-2015,67 457 patients aged from 0-24 were reported to be stuck with 23 types of notified infectious disease,and the average annual incidence was 2 113.27/105 in total,and that of the notified A and B categories infectious disease was 387.84/105,and 1 725.44/ 105 for the incidence of the notified C category infectious disease.The average annual incidence of notified A and B categories infectious disease decreased from 434.57/105 in 2005 to 220.3/105 in 2015.The highest incidence rate was found in the 0-year-old group of 1167.95/105.The followed rate was in 5-year-old group of 410.27/105.The lowest incidence rates was in 10-year-old group of 80.15/105.However,the average annual incidence of notified C category infectious disease increased from 768.41/105 in 2005 to 1 814.06/105 in 2015.The highest incidence rate was found in 0 year-old-group of 9 417.82/105.The lowest incidence rate was in 10-year-old group of 203.97/105.Conclusion Among adolescents of Tongzhou District,the incidence of notified A and B categories infectious disease decrease,but the incidence of notified C category infectious disease increase first and decreased afterwards.