Abstract: Objective To study the diet behavior of preschool children analyze family influencing factor and provide evidence for nutritional intervention activities and evaluation. Methods One kindergartens was selected in the west, the central and the east of Bengbu,478 of preschool children were enrolled. The children and their parents were investigated using questionnaire. Logistic analysis was used for influencing factorsanalysis. Results Among these children,42.92% of them were food preference,45.75% of them had choosy food habits,74.73% of them ate snack between meals and 82.35% of them liked dairy drinks. The Logistic regression analysisshowed that mother'seducational level,their suggestion onchildren eating a certain kind of food and their forcing to children eating a certain kind of food were related with children's behaviors of food preference (all P<0.05). Mother's educational level and being only-child or not were related with children's habit of breakfast to eat or not (all P<0.05). Conclusions Food preference, eating a certain kind of food and breakfast to eat or not are the three major behavior problems among preschool children.The nutrition knowledge and the demonstration consciousness should be improved in parents to promote healthy diet habits in children.