The utility model discloses a dispatching communication system of a locomotive. The dispatching communication system of the locomotive comprises a transportation managing terminal and a train control terminal, wherein the transportation managing terminal is arranged on the ground and sends a running token and/or road accessing information to the train control terminal through a wireless network; and the train control terminal is arranged on a train and receives the running token and/or the road accessing information, and responds the received running token and/or road accessing information; and affirmation information returns to the transportation managing terminal through the wireless terminal. With the adoption of the dispatching communication method and system of the locomotive disclosed by the utility model, the locomotive does not need to be stopped to be ordered and also does not need station staff to manually transmit an order, so that stopping times and stopping time of the train are greatly reduced, the line transportation density is increased and the productive efficiency is improved; and meanwhile, the workload of an assistant watchman of a station is reduced and the possibility of personal casualty accidents of the staff is reduced.