The invention provides an end surface milling machine for a memory alloy spacer. A pair of second mounting plates is mounted on a first mounting rack, a slideway is mounted at the upper end of each second mounting plate, a pulley is arranged in the slideway, a second motor for driving the pulley to rotate is arranged on one side of the slideway, a connecting plate is mounted out of the slideway ofthe pulley, a second hydraulic pump is mounted on the connecting plate, a second hydraulic piston is mounted on the second hydraulic pump, a second hydraulic piston shaft is mounted on the second hydraulic piston, a limiting plate is mounted on the second hydraulic piston shaft, first hydraulic pumps are arranged on two sides of the first mounting rack, a first hydraulic piston and first hydraulic piston shaft are mounted on the sides, close to each other, of the first hydraulic pumps, a first motor is mounted on the first hydraulic piston shaft, a rotating shaft is mounted on the first motor, and a polishing plate is mounted on the rotating shaft. The end surface milling machine provided by the invention can mill two ends surfaces of the memory alloy spacer and supplement a milling auxiliary agent automatically, and is good in polishing efficiency and good in polishing quality.