This study was to analyze the factors affecting the physical disabled aged's quality of life, individual characteristics, and social environmental characteristics. In particular, this study was to analyze the medicating effects of social environmental characteristics on the quality of life. Toward this purpose, this study was to analyze 350 physical disabled aged who attended the community welfare institution for the disabled located in Gyeonggi Province through the convenient sampling method. First, this study has found out that the recognition level of economic level and daily living activities of individual characteristics were low, and that such characteristics had significant effect on the quality of life. Second, the physical disabled aged's individual characteristics affected the quality of life, but it appeared more positive medicating effects on the quality of life by the intervention of social environmental characteristics. Accordingly, it requires the practical policy direction for the social support, perception of discrimination, physical accessibility, and leisure culture. To achieve this, it requires a policy to strengthen the community welfare network for the institutional enhancement, in-home welfare, and consolidation in order to guarantee the physical disabled aged's minimum standard of living, and to publicize the change of recognition of discrimination and prejudice for the physically disabled persons as well as the comprehension extension. In particular, there is a real need to strengthen the contents of Welfare of Disabled Persons Act Article 21.(Convenient facilities) Establishment and management by the central government and local government for the facilities available in the interaction, reinforcement of program, and solution of physical discrimination.