A kind of maintenance of hand metacarpophalangeal joints function and rehabilitation device, the carrier of base portion and corresponding finger including corresponding palm, carrier have a free end and a pivot end； The pivot end is equipped with a driving section； And the device what base portion, link the driving mechanism an of prime mover, is provided with a driving portion, connects the driving section of carrier. And, when driving portion drives driving section, make carrier with pivot end fulcrum, free end band is forced to start to refer to that generation moves back and forth or swing acts on, to provide patient's activity practice for carrying out the duration of hand palm interphalangeal joint, and there is prevention anchylosis deformity to allow therapeutic effect is more preferable, shorten recovery time, reduce medical expense and saves society to take resource etc..一種手部掌指關節功能之維護及復健裝置，包括對應手掌之基部及對應手指的載體，載體有一自由端和一樞接端；所述樞接端設有一傳動部；以及，一裝置於該基部，連結一原動機的驅動機構，設置有一驅動部，連接載體的傳動部。並且，在驅動部驅動傳動部時，使載體以樞接端為支點，迫使自由端帶動手指產生往復運動或擺動作用，從而提供患者進行手部掌指間關節之持續性的活動練習，而具有預防關節僵硬畸形讓治療效果更好、縮短復原時間、降低醫療費用和節省社服資源等。
