The utility model discloses a networked voltage reactive power control system. The networked voltage reactive power control system comprises a voltage reactive power control device arranged in a bay level, and a monitoring and remote-action system arranged in a station level. The voltage reactive power control device is provided with a station level communication interface and a process level communication interface. The voltage reactive power control device is connected with the monitoring and remote-action system through the station level communication interface and a station level communication Ethernet, and is in communication connection with an intelligent switch interface unit and a combiner unit through the process level communication interface and a corresponding process level communication Ethernet, wherein the intelligent switch interface unit and the combiner unit are arranged in the process level. The networked voltage reactive power control system provided by the utility model overcomes more defects of a conventional voltage reactive power control system in the cable acquisition and control process, the function realization mode is flexible and convenient, the requirement of information access capacity expanding can be flexibly met, locking information of related protection equipment and body abnormity locking information of primary equipment can be realized through the digital transmission network technology, additional signal cables are not needed, the risk of complex cable wiring is reduced, and the construction and installation are very convenient.