The utility model discloses a bus-type corn harvester bearing intelligent control system which is provided with an industrial control touch screen, a CAN mainboard, a CAN temperature acquisition plate, and a CAN switching value control board. In the system, the CAN temperature acquisition plate acquires temperature information and sends temperature signals to the CAN mainboard through a CAN bus. The CAN switching value control board receives switching signals of the touch screen through the CAN bus. The bus-type corn harvester bearing intelligent control system is simple in structure, convenient to operate, capable of saving cost of laying a switching line and a temperature line and line cost.