Abstract: Special Olympicsis an important channel for people with disabilities to improve their fitness and social inclusion. Special Olympics volunteers need better competence and psychological quality as compared with volunteersfor other events. In order to understand the effect of competence and self-esteem on Special Olympics volunteers service satisfaction, we surveyed 180 volunteers from the Special Olympics Unified Sports_school programs with questionnaire and supportedour findings with literature review, interview and observation to. The results show that competence and self-esteem can are positive predictors for volunteers service satisfaction. In addition, the correlation between competence andself-esteem isa partial mediator in effecting satisfaction. The paper is concluded with suggestions for recruitment, training, management, and research of Special Olympics volunteers.

Key words: Special Olympics Volunteers, Volunteer Service, Satisfaction, Self-Esteem, Special Olympic Unified Sports.