This study entered the relationship between family strengths and ego-resilience of school-aged children. The Family Strengths Scale is composed of four factors; family commitment, family communication, family values and family crisis coping strategies. The participants were 392 mothers with school-aged children. The main results were as follows; First, the degree of family strengths was generally high. Family commitment was the highest and family values was the lowest among the four factors. Second, the degree of ego-resilience of school-aged children reported by the mothers was also generally high. Finally, two factors of family strengths, that are, family communication and family values, had positive influences on ego-resilience of children.. The implications of this study were discussed.