Piano hand type exerciser

The utility model provides a piano hand form trainer, comprising a frame body, a base which is fixedly connected with the lower part of the frame body, an upper clamping plate which is supported by the frame body, and a lower clamping plate which is supported by the base, wherein, the upper clamping plate is provided with a hand form reinforced-training device; the hand form reinforced-training device comprises a palm pad which is used for pushing through the palm of the piano exerciser, an adjusting screw rod which is connected with the palm pad and used for adjusting the height of the palm pad, and a sliding sheet which is provided with a screw thread, connected with the adjusting screw rod by thread and can slide in the horizontal direction. The piano hand form trainer can lead the piano exerciser to form a piano-playing hand form similar to a thumbless grip shape.