The purpose of this study is to verify the influences of animal-assisted intervention using abandoned dogs on the social improvement of a child with Asperger's Syndrome and this family bonds to target a family with a child with Asperger's Syndrome. The animal-assisted interventions consist of two parts: caring for abandoned dogs in the home of a child with disability, indoor and/or outdoor activities with all family members and abandoned dogs, and were conducted during April to August 2011. As a result, a child with Asperger's Syndrome liked inanimate objects such as machinery only showed an interest in living organisms, was expressed feelings. And it increased social interaction with family members. Due to changes in the child with a disability, it increased external activities with family and conversions between family members, also improved social skills of the child with a disability. And eventually it has been shown to strengthen family ties. These results are interpreted that by experiences that provides animal care and animal-assisted activities, emotional stability through the animals and the verbal and nonverbal communion with animals, it may promote social interaction of the child with disability and may have the power to strengthen family ties. In addition, these results may help the quality of life of abandoned dogs, and we suggest the new alternative for utilizing abandoned dogs.