We explored the effects of mandala art therapy game for attention deficit children who were enrolled in day care center for children. We found 17 ADD children through questionnaire DSM-Ⅳ. For 2 Months, from 1st of April to 20th of May, experiments of art therapy program and Mandala art therapy games were carried out twice a week. After analysis of experimental results, Mandala art therapy game is effective for ADD children.