The purpose of this study was to analyze the effects of temperament of child, maternal parenting behavior, social support. The data was collected from 5th to 6th grade 405 children living in Kwangju. For statistical analysis, Cranbach’α, and hierarchical regression analysis were used. The results were summarized as follows: as a result of making a hierarchical regression analysis to find out the relative impact of gender on Ego-Resilience, sub-factors of child’s temperament, maternal parenting behavior, and family and friend’s social support were identified as the most important variables and predictors of ego-resilience. These results indicated that ego-resilience was the most significant variable to predict a child’s temperament(attention). Ego-resilience was impacted according to the child’s temperament(activity mood), friend support, maternal parenting behavior(rational guidance), in addition to the child’s temperament(activity level).