In this study, I analyzed 35 pieces of domestic dissertation in connection with Filial Therapy. As a result, first, dissertation were classified 1 paper to literature review and 34 paper to effectiveness. They then were to begins 1 paper of master thesis and 1 paper of doctor thesis in 1998. Since 2000, they has increased constantly. Second, research variables were about parent, child, parent-child, and family variables. Specifically, there were a lot of effectiveness about children problem behavior, parents empathic ability, and parent-children interaction. Third, most of thesis was based on literature of Guerney(1964), Jang(1998), Landreth(1991, 2002), and Landreth & Bratton(2008). Forth, framework of research design were to lots of mother-child pairs, preschooler children, once per week, group of 5 pairs and total 8 sessions. Through the result of the research, I discussed what FT had in play therapy and education counselling programs designed to promote change in parent-child relationship.