Hand and wrist exoskeleton rehabilitation training device

The invention discloses a hand and wrist exoskeleton rehabilitation training device, comprising a wrist, a thumb, a power source, an index finger, a middle finger and a ring finger, wherein the power source is fixed on the wrist, and the thumb, the index finger, the middle finger and the ring finger are respectively connected with the power source. A motor drives a feed screw nut, so that the rehabilitation training device obtains power; the rehabilitation training device is simple in structure and easy to implement; weight of hand exoskeleton is born by a support part, so that a patient has no burden; and the rehabilitation training device realizes movements with more degrees of freedom, and can complete more and more skillful rehabilitation training actions.