The purpose of this study was the differences of social support according to the characteristics of people with physical Impairment in terms of sociology of population. In order to examine the effects of social support on People with Physical Impairment participation in sports for all, 267 people with physical impairment data were analyzed. As the questionnaire for social support, this pa per used SIS (Social Influences Scale) employed in Hong Sang Uk, et al. (2003)`s questionnaire after revision and complementation. Also, using PASW 18.0, this study conducted validity and reliability verification and also Multivariate Analysis of Variance and Multiple Regression Analysis. Thereby, it gained the following results: First, by the sex of the people with physical impairment, there was significant difference in peer support, family support, instructor`s support, and self-esteem support. Also, by age, there was significant difference in peer support, instructor`s support, emotional support, self-esteem support, and materialistic support. And about disability rating, there was significant difference in peer support and instructor`s support. Second, among the subvariables of social support, peer support, family support, instructor`s support, and self-esteem support affected people with physical impairment participation in sports for all significantly. And emotional support and materialistic support had no statistically significant influence.