The utility model discloses a STATCOM remote control system. The STATCOM remote control system comprises an I/O box, an industrial personal computer, a human-computer interface, a photoelectric conversion unit, a pulsed light distribution unit, an analog quantity amplitude conversion module and a switching value driven isolation module, wherein the I/O box is connected with the industrial personal computer via a communication cable and carries out data exchange with the same, and the industrial personal computer is connected with the human-computer interface; the industrial personal computer is provided with a communication interface for realizing remote communication with a communication network; a PIX module, a synchronous processing module, a pulse positioning module, an AI/AO (Analogue Input/Analogue Output) module, a DI/DO (Digital Input/Digital Output) module and a state detection module are arranged in the I/O box, and each functional module is connected via a bus so as to realize intercommunication; and a PCI (Personal Computer Interface) management module with control and state detection functions is installed in the industrial personal computer. In comparison with the prior art, the STATCOM remote control system has the positive effect of being fast in computation, convenient and flexible in interface expansion, high in reliability and easy to maintain.