The utility model relates to clothes special for an electric power system, in particular to a multifunctional electric power maintenance waistcoat. The waistcoat comprises a waistcoat body (1) with a main body made of anti-static canvas. Two nylon velvet strips (2) arranged in a vertically parallel mode are arranged on the front face of the waistcoat body (1). A recording plate (4) is bonded on the front face of the waistcoat body (1). Two nylon hook belts (3) are fixedly connected to the back face of the recording plate (4), arranged in a vertically parallel mode and bonded with the two nylon velvet strips (2) in a matched mode. A clamping plate (5) is arranged at the upper end of the front face of the recording plate (4), and a calculator (6) is bonded to the upper end of the front face of the recording plate (4). A radiating lamp (9) is arranged on the left should portion of the front face of the waistcoat body (1). The waistcoat is reasonable in design and simple in structure, and brings convenience to work of electric power maintenance workers.