Under　the　background　of　my　country＇s　＇9073＇　pension　model,　for　the　elderly　who　are　recovering　at　home　to　more　actively　and　effectively　carry　out　hand　function　rehabilitation　training;　based　on　the　self-efficacy　theory,　this　paper　discusses　its　application　in　the　design　of　hand　rehabilitation　training　instruments　for　the　elderly.　Apply,　analyze　and　study　the　self-efficacy　of　elderly　hand　rehabilitation　patients,　and　build　a　user　model　based　on　this,　and　finally　produce　corresponding　solutions　and　complete　product　design　and　implementation,　stimulate　and　enhance　their　self-driven　potential　and　self-efficacy　value,　and　provide　the　elderly　with　a　sense　of　self-efficacy.　The　product　design　of　human　hand　rehabilitation　aids　provides　an　innovative　idea.　©　2023　The　authors　and　IOS　Press.