The purpose of this study was to investigate the interactional effects of stress, and social support children\'s on anxiety. This study ultimately intended to provide basic data which can be applied for school and counseling of children. Subjects of this study were 301 elementary school students in Chungbuk province. The results of this research were as follows: First, there was an relationship between family support and parent\'s stress on anxiety. For boys, when low parent\'s stress and low family support, children perceived the higher anxiety. When high parent\'s stress and low family support, children perceived the higher anxiety. Second, for girls, there was an interacting effect between friend support and friend stress on the anxiety. When low friend stress and low family support, children perceived the higher anxiety. When high friend stress and low family support, children perceived the higher anxiety. Third, for girls, there was an interacting effect between friend support and friend stress on the anxiety. When low friend support and high friend stress, children perceived the higher anxiety. Finally, there was an interacting effect between stress and social support on school children\'s anxiety problem. When the stress was low and social support was low, school children had more anxiety problem than children from high social support. In contrast, when the stress was high, school children had a high level of anxiety problem regardless of social support.