【Objective】 To probe into common influence factors of the preschool children's self-confidence develepment. 【Method】 464 pre-school children selected from 4 cities with stratified sampling method, were investigated with the families demographic information, home nurture environment, children's temperament and self-confidence. 【Results】 The girls' self-confidence were higher than the boys. Children's self-confidence level increased accordingly with age growing. There were certain degree of correlation among the self-confidence levels and some temperament factors include approach/withdrawal, adaptability, persistence, intensity of reaction, and threshold of responsiveness. And there were also certain degree of correlation among the self-confidence levels and some home nurture environment scale factors include language/cognition, warm feelings, adaptation, diversities of activities, and atmosphere. 【Conclusion】 Preschool children's self-confidence development are influenced in some degree by home nurture environment as well as gender, age, and temperament.