The invention discloses an electric power overhaul alarming device, comprising a machine body, wherein four corners of the lower end of the machine body are provided with walking wheels, a monitoringplatform is arranged on the upper side of the machine body, a display screen is arranged on the surface of the monitoring platform, the surface of the monitoring platform is further provided with a plurality of indicating lamp modules and a key control module, the surface of the monitoring platform is further provided with an alarm module, one side of the machine body is provided with a pluralityof L-shaped hooking devices, one side of the machine body is further inserted with a plurality of connecting lines, each connecting line is provided with an acquisition device and a circuit detectiondevice at one end away from the machine body, a temperature acquisition module and a humidity acquisition module are arranged inside each acquisition device, and a circuit detection module is arrangedinside the circuit acquisition device. The electric power overhaul alarming device can effectively acquire and judge whether an abnormality occurs in a machine room, and can further improve the handling of the abnormal situation by the staff, thereby preventing the personal safety of the maintenance personnel and the safety of equipment from being jeopardized.