The invention discloses a self-powered intelligent online monitoring and three-remote system for a box type switching station. The system comprises a background management module, a detection sending module, an alarm module and a power source system. Through the adoption of the system disclosed by the invention, the internal running condition of the self-powered system can be mastered in real time, the safe and reliable running environment of the equipment is guaranteed; the remote-metering, the remote-signaling and the related remote-controlling of the self-powered system for the box type switching station are realized; the safe and stable running of the equipment cannot be influenced by the fault, thereby effectively improving the power supply reliability.