Objective To explore the occurrence rule and epidemiologic feature of infectious diseases in child care children in Jinan from 2005 to 2014,provide the scientific basis for making the control strategies and measures of infectious diseases in preschools. Method The descriptive study was conducted to analyze the infectious diseases in preschools in Jinan during these periods. Results From 2005 to 2014,39 217 cases of 23 species of infectious diseases of child care children were reported,the average annual reported rate was 1 957.73/10⁵.69.15%(27 119/39 217) of total cases were enteric infectious diseases.The top five diseases were hand-foot-and-mouth disease,varicella,epidemic parotitis,scarlatina and bacillary dysentery which accounted for 96.95%.The cumulative peak of each year was from May to July. Conclusions The reported incidence shows a increasing tendency the prevention and control of enteric infectious diseases should be as the focus in preschools,strengthen surveillance and report of the infectious diseases among child care children especially in epidemic seasons.Strengthen health education work pertinently,do well in the morning and noon inspection to reduce the spread of diseases.