The objects of study are mainly the abusive parents who need to take mandated parenting. Using the device of the multiple baseline design across subjects of single-case research design, the study indicates the way of elevating parent education of abusive parents through the intervention models of filial therapy program, as well as proceeding through program to improve parental function, attachment relationship and  the emotional disturbances of abused children. There were three families involved in this study, three female, average age was 39, two boys and one girl, average age was 9. The research tools used in the study include the revised edition of 「Landreth 10-Week Filial Therapy Model」,「Filial Therapy Skill Checklist」,「Parent-Child Play Interaction Relationship Checklist」,「Achenbach System of Empirically Based Assessment」. Visual analysis, statistics analysis, and social validity are employed to learn about the effect of practice. The results revealed that the two participants had immediate and maintenance effects on parental function and attachment relationship. In addition, the two abused children had significant decrease emotional disturbances.