The invention relates to a high-compatibility multifunctional various field bus protocol motion control system, which comprises a signal acquisition module, a protocol conversion module, a power supply module, a logic controller, a verification feedback module, a state indication module and a signal output terminal, and is characterized in that the signal acquisition module comprises a CAN bus interface, a Modbus bus interface, a plurality of serial ports and a USB interface, the protocol conversion module comprises a receiving buffer module, a data reading module, a protocol converter and a data encoder, a power supply unit is connected to a parallel connection unit, the parallel connection unit comprises a plurality of cameras, a lighting lamp and audio-video equipment, the signal output terminal comprises a wireless transceiver and an Ethernet interface, and the verification feedback module comprises a data decoder, a digital-to-analog converter and a verification module. The motion control system provided by the invention is high in compatibility, and can satisfy conversion of most bus protocol in the market and equipment plugging. The parallel connection unit is diversified in function and sensitive in compensation feedback. The adaptability and the practicability of the system are improved.