Objective To investigate the current status and influencing factors of unintentional injuries in the nurseries and kindergartens of Aba Prefecture. Method Random cluster stratification sampling method was used to study the status of unintentional injuries among 4 368 preschool children in 8 areas of Aba Prefecture from April to June in 2015.Results The overall prevalence rate of unintentional injure was 15.04％.The composition of children′s unintentional injuries type was different among different nations(P=0.035).Single factor analysis showed that factors including urban and rural, areas, nations, sex, maternal education level, family income level, main foster ages and parents′ knowledge level on unintentional injuries affected the incidence of unintentional injuries rate in children(P＜0.05).Logistic regression analysis showed that different areas, mothers education level and family income level were factors influencing the occurrence of unintentional injuries.The prevalence of unintentional injuries in children with higher maternal educational level and family economic level were lower.Conclusions The unintentional injuries are relatively serious in Aba Prefecture.The prevalence rate of unintentional injuries is related to maternal education and family economic level.