This study examined the analysis of the relationship between social support, lifestyle and successful aging of senior participating in physical education programs at senior welfare centers. The number of the surveyed for this study was 274 who participated in physical education programs at senior welfare centers. The reliability and validity test of the questionnaire itself was conducted by using SPSS & AMOS Window 18.0 program; the result of descriptive analysis, factor analysis, correlation analysis, standard multiple regression analysis, path analysis are as follows; The results were as being follows. First, the social support is partially influences on the lifestyle of senior participating in physical education programs at senior welfare centers. Second, the social support is partially influences on the successful aging of senior participating in physical education programs at senior welfare centers. Third, lifestyle in physical education programs at senior welfare centers is partially influences on the successful aging of senior participating in physical education programs at senior welfare centers. Lastly there is a causal relationship between the social support, lifestyle and successful aging of senior participating in physical education programs at senior welfare centers.