The purpose of this study was to examine differences in locus of control, perceptions of social support, and family functioning between children of multi-cultural family and children of Korean-Parents family who reside in South Korea. Participants of this study were 218 elementary school students (multi-cultural family 103; Korean-Parents family 115). Results of data analysis by t-test indicate that children with multiculural parents were lower in internal locus of control and higher in external locus of control. Children with multiculural parents were lower in family support, family coherence, and adaptability than those with Korean parents. The findings of this study suggest that elementary school children of multicultural family be in need of more social and emotional support from familial environment. Clinical implications and limitations of this study were discussed.