This study is to examine the relationships between experiences in the family of origin with fathers, parenting participation of fathers, and parenting stress of mothers. The subjects in this study consisted of 203 couples with children of ages 3, 4, and5 attending child care centers in the Gyeong-gi province. The results of this research are summarized as follows. First, experiences in the family of origin with fathers, have meaningful correlations with parenting participation of fathers and parenting stress of mothers. Also, parenting participation of fathers has meaningful correlations with parenting stress of mothers. Second, experiences in the family of origin with fathers have direct/indirect influence on parenting stress of mothers and parenting participation of fathers played a mediating role between the two variables. It is significant that these results give the basic research data for developing aparental education program that can lower parenting stress of mothers by parenting participation of fathers.