The present application disclose a wheel blank positioning end face correction device, comprising a frame, a servo motor I, a support frame, a bearing seat, a bearing, a shaft, a rotating platform, a guide rail, a cylinder, a left slide plate, a left bearing seat, a left shaft, a left bearing, a left driven grooved friction wheel, a left workbench, corner cylinder pressure claws, mandrel seats, mandrels, a grinding wheel, a grinding wheel drive motor, a support plate, a feeding slide plate, feeding guide rails, a linear motor, a distance measuring sensor, a fixed plate, a servo motor II, a driving grooved friction wheel, a right workbench, a right driven grooved friction wheel, a right shaft, a gear rack structure and a right slide plate.