Elbow joint rehabilitation training device

The invention relates to an elbow joint rehabilitation training device, and belongs to the technical field of medical instruments. The elbow joint rehabilitation training device comprises a base, a first supporting plate, a second supporting plate and a sliding block, the first supporting plate, the second supporting plate and the sliding block are arranged on the base, and fixing pieces are arranged on the first supporting plate and the second supporting plate, the first supporting plate is obliquely arranged; the second supporting plate is horizontally placed and arranged on the base through a rotating frame, the second supporting plate can horizontally move on the rotating frame, the sliding block is connected with the rotating frame through a connecting rod, the two ends of the connecting rod are hinged to the sliding block and the rotating frame respectively, and the sliding block can horizontally move on the base. And the rotating frame can be pushed to rotate through the connecting rod while horizontal