The invention discloses an overhaul management mobile operation system. The system comprises a mobile operation device connected with an enterprise maintenance management system. The mobile operationdevice comprises an input device, an analysis device, a data transmission device, a storage device, a display device and a data acquisition device. The input device and the display device form a human-computer interaction interface; the analysis device is used for completing data processing work; the data transmission device is used for data transmission with an enterprise maintenance management system. The storage device comprises a memory and a microprocessor, one end of the memory is connected with the data transmission device and used for acquiring and storing service data, the other end of the memory is connected with the microprocessor, the microprocessor is used for updating the service data according to user settings, and the data acquisition device is used for acquiring data information. Standardized management of maintenance operation of the power enterprise can be effectively guaranteed, the maintenance progress is mastered in real time, the data quality of the power enterprise is improved, the efficiency of on-site workers is improved, and high assistant decision level management capability is provided for a decision-making level.