The invention discloses a valve rod end face grinding machine which comprises a lower bottom plate. A grinding device is arranged at the left end of the lower bottom plate. A locating device is arranged in the middle of the lower bottom plate. A feeding device is arranged on the right portion of the lower bottom plate. The valve rod end face grinding machine has the beneficial effects of being compact in structural design, convenient to use and the like; the end faces of multiple valve rods are ground through the grinding device, the grinding quality of the end faces of the valve rods is guaranteed, and the grinding efficiency of the end faces of the valve rods is improved; meanwhile, by means of cooperation of the feeding device and the locating device, the valve rods are automatically fed and located, and locating precision of the valve rods is guaranteed; and manpower and material resources are saved.