The utility model discloses a many parameter synthesis monitoring system of substation equipment, include: the temperature monitoring device, its temperature of monitoring the equipment of transformer substation, the partial discharge signal monitoring devices that stands entirely of transformer substation, partial discharge signal in its monitoring transformer substation, the camera, its image signal who gathers the transformer substation, the router, its with temperature monitoring device, transformer substation stand partial discharge signal monitoring devices entirely and connect respectively to correspond the temperature data and the partial discharge data of receiving its transmission, the router still is connected with the camera through a video server to receive the image data of camera transmission, the surveillance center, its with the router passes through the internet access. The utility model provides a many parameter synthesis monitoring system of transformer substation, it can realize carrying out omnidirectional monitoring and early warning to all equipment in the transformer substation under the lower cost to discover the defect when helping patrolling and examining substation equipment in advance, reduce power failure accident's emergence, improve the intelligent level of transformer substation.