Abstract: The problem of aging population in ethnic areas is serious. The participation of social organizations in the aged service can meet the needs of the diversified old-age services, and promote the improvement of the social aged service system. The path of social organizations participating in the aged service is mainly divided into four types:entrusted, executive participation, intelligence participation and information transmission. To give play of social organizations in ethnic minority areas, we should strengthen social organization construction, perfect the policy support of social organization participation and optimize social environment for social organization.