The utility model discloses an electric power accident alarm device, include alarm sender and report an emergency and ask for help or increased vigilance the bracelet, alarm sender includes signal receiver, AD converter, the first signal treater and the bluetooth signal transmission ware that connects gradually, and the first signal treater and bluetooth signal transmission ware still are connected with the power, report an emergency and ask for help or increased vigilance that the bracelet includes that bluetooth signal receiver, emitting diode, vibration generator and lithium ion battery all link to each other with the 2nd signal processor and all fixed mounting on the watchband. The utility model has the advantages that: this device can in time acquire the warning signal through directness and electric power automation system communication to mode through wireless transmission with report an emergency and ask for help or increased vigilance the bracelet communication, remind the control personnel through reporting an emergency and asking for help or increased vigilance vibration and flash of light on the bracelet, send electric power system control person from sense of touch and the vision in and report an emergency and ask for help or increased vigilance, make that it is more clear, in time find power system fault to deal with rapidly, ensure the electric wire netting safe operation.