【Objective】 To know about the pathogeny and epidemiologic characteristics of infectious childhood diseases,to master the prevention and control measures and to decrease the morbidity. 【Method】 Descriptive epidemiology was used to analyze statistically the infectious diseases in children from 0 to 14 years old who were reported through the network and registered from January 1,2004 to December 31,2011. 【Results】 The 1 584 infectious childhood reported cases were mainly respiratory and intestinal.Scattered children,especially male and rural,were the major patients.B disease was more popular than C disease.HFMD,measles,epidemic parotitis,chickenpox and congenital syphilis ranked the top five.Before 2010,when the vaccination of measles vaccine was carried out,measles was the majority,and after 2008,HFMD was the majority. 【Conclusions】 The key to prevent the infectious childhood diseases is to control the respiratory and intestinal infectious diseases.Vaccination is an effective way to decrease the morbidity.Strengthening the education of prevention knowledge,forming a good habit can also prevent the spread of infectious diseases.