A hand rehabilitation device (100) comprising: at least one first support (124) configured to support the thumb of a hand, wherein said at least one first support (124) is designed to perform a flexion/extension movement for rehabilitating said thumb, said flexion/extension movement being actioned by a first transmission mechanism to which the at least one first support (124) is connected; at least one second support (120, 121, 120B) configured to support the index finger of said hand, wherein said at least one second support (120, 121, 120B) is designed to perform a flexion/extension movement for rehabilitating said index finger, said flexion/extension movement being actioned by a second transmission mechanism to which the at least one second support (120, 121, 120B) is connected; at least one third support (122, 123, 122B) configured to support the three remaining fingers-middle ring, and little fingers- of said hand, wherein said at least one third support (122, 123, 122B) is designed to perform a flexion/extension movement for rehabilitating said three remaining fingers, said flexion/extension movement being actioned by a third transmission mechanism to which the at least one third support (122, 123, 122B) is connected; wherein said first, second and third transmission mechanisms are actuated by at least one motor; wherein the three flexion/extension movements of said at least one first support (124), said at least one second support (120, 121, ) and said at least one third support (122, 123, ) are independent from each other.La présente invention concerne un dispositif (100) de rééducation de la main comprenant : au moins un premier support (124) conçu pour soutenir le pouce d'une main, ledit au moins un premier support (124) étant conçu pour effectuer un mouvement de flexion/extension servant à rééduquer ledit pouce, ledit mouvement de flexion/extension étant imprimé par un premier mécanisme de transmission auquel est accouplé ledit au moins un premier support