Orthopedic limb fixing device with five-finger exercising function

The invention provides an orthopedic limb fixing device with a five-finger exercising function. The orthopedic limb fixing device comprises a placing table for placing limbs and a limb fixing assembly arranged at the upper end of the placing table. The orthopedic limb fixing device is characterized in that a first extending table and a second extending table are sequentially arranged at the rear end of the placing table, two cushion tables flush with the upper surface of the placing table are arranged at the positions, where the feet of a patient are placed, of the upper end of the first extending table, and the two cushion tables do not communicate with each other; a five-finger moving assembly is arranged on the second extending table; the five-finger moving assembly comprises a five-finger placing structure for placing five fingers and a second operation structure for controlling the five-finger placing structure to execute grabbing actions, and a third operation structure matched with and tightly attached