Childhood is a time to of physical and emotional development so parents have a very significant impact on their children because they provide a nurture and environment to promote their child’s growth. The Parent-Child Interaction Program aims at reducing the problem behavior of children through child-led interaction, parent-led interaction, and a parent-child interaction program by setting goals suitable to the individual child based on problems complained about in the initial interview, and thereby aims at reducing parenting stressing. The present study attempted to understand the effect of the program on the stress of parents, which comes from child rearing and problem behaviors by conducting a parent-child interaction program that target problem behavior children. The study targeted a total of 12 subjects including 6 parents and their 6 children who displayed problem behavior and were participating in a psychotherapy service program at Busan Area Social Services. Pre and post tests compared and analyzed the total score of child problem behavior and total parenting stress changes through an objectification test, and behavior changes were recorded through indirect observation with compliment coding assignments. The results showed that when the child problem behavior scale scored low, parenting stress decreased, revealing a significant change. In other words, the parent-child interaction program shows that positive parental interaction effects changes in child problem behavior, and is effective in reducing parenting stress. The study suggests the following based on the research results. First, parent-child interaction programs must be vitalized in terms of their operation in various areas so that more children and parents are able to participate. A plan must be established so that community welfare centers, community children’s centers, elementary schools as well as private counseling centers are able to operate the program. Second, Parent Child Interaction program is a plan for dissemination by developing a variety of programs to Rob parents and children need a little more interesting. It referred to the program involved with the children s parents and the children and parents are interested in the program can participate in fun activities to terminate sessions are needed research program. Third, it is necessary to operate connected programs that include long-term observation aimed at checking the lasting maintenance of the modified behavior of the children.