The purpose of this study was to identify the moderating effect of gender among self-acceptance, family forgiveness and family cohesion. It was conducted to measure self-acceptance, family forgiveness and family cohesion from 376(188 male, 188 female) university students. The moderating effect according to gender was analyzed through hierarchical regression analysis and path analysis. As a result of analysis, first, there were positive relationship, among self-acceptance, family forgiveness and family cohesion. Second, self-acceptance and family forgiveness had a significant effect on the family cohesion. Third, gender had moderating effect within the relationship of self-acceptance, family forgiveness and family cohesion. Specifically, impact on family cohesion of self-acceptance is greater in men, and impact on family cohesion of family forgiveness is greater in women. Implications of these results were explored in relation to the importance of self-acceptance and forgiveness that could be taken to improve family cohesion. In addition, this implication and suggestions for future research are provided.