The invention discloses an electric power overhaul system based on a wearable smart device. The system comprises smart clothes, a pair of smart glasses, an expert decision making system and a remote command platform. A display screen is arranged on the remote command platform. The smart clothes comprise a Bluetooth sending module, and a current sensor, a voltage sensor, an infrared sensor and a frequency sensor which are used for measuring a to-be-overhauled device. The current sensor, the voltage sensor, the infrared sensor and the frequency sensor are all connected with the Bluetooth sending module and send data to the Bluetooth sending module. The smart glasses comprise a Bluetooth receiving module, a wireless communication module, a display module, a headset and a camera. The Bluetooth receiving module, the display module, the headset and the camera are all connected with the wireless communication module. The wireless communication module is also connected with the expert decision making system and the remote command platform. The expert decision making system and the remote command platform are connected.