RESUMO
Objective:To understand the status of two -week prevalence and the influencing factors in rural preschool leftover children of Shandong , so as to provide evidence for putting forward effective health intervention means .Methods:Using the method of stratified -cluster-random sampling and elect 646 cases of preschool lefto-ver children from 2 counties of Shandong .We surveyed with self -made questionnaire .Results:The two-week prevalence of the rural preschool leftover children is high;the influencing factors of the two -week prevalence with the rural preschool leftover children including whether children are only -child, the type of children guardianship , whether children piddle and whether left -behind children can avoid dangerous .Conclusion: The two -week prevalence present situation of rural preschool left -behind children is low , and its problems of health and ethics are clear.Therefore, effective measures should be carried out to improve the health level of rural leftover children .