The purpose of this study was to investigate the effects of Think Aloud program on problematic behaviors of children with ADHD tendency. The purpose of this study was also to evaluate the effect of Think Aloud(TA) program on children's attention, social behavior and problem solving response to hypothetical conflict situation. The subjects were 1st grade children in elementary school and selected on the basis of Abbreviated Conners Rating Scale(ACRS) scores. Sixteen children who had higher scores of upper 20% in ACRS scores were selected as subjects. Teacher's form of the Matson Evaluation of Social Skills for Youngsters, the Self Control Rating Scale and the Parent's Form of the K-CBCL were administered to children, teachers and parents appropriately and children were measured problem solving response to hypothetical conflict situation before and after training respectively. TA group(8 children) was trained through TA program, and control group (8 children) was trained through art activities. The findings of this study are as follows. Self-control and social skills increased in TA group. Inattention and aggression were decreased in TA group. Moreover TA group showed significant increase in problem solving response to hypothetical conflict situation. Finally, suggestions and limitations of this study were discussed.