Abstract:In population aging society,mankind is faced withproblems of physical and mental health of eiderly people andthe accordingly caused socio-economic problems.Sports,asthe ties to maintain aging and health,Plays an irreplaceablerole in alieviating the decrepitude of the body and improvinqthe health ievei of the body.The Article,through iiterature,ftom the analysis of the aging of the popuiation,exploresthe functions of the sports in population aging society.