The invention discloses a combined screwdriver illumination device for electrical equipment maintenance. The combined screwdriver illumination device comprises an installation shell, a placement part and a rotation handle; the installation shell is hollow and is provided with two end parts; the placement part is arranged at one end part of the installation shell and comprises a fixed support and an illumination device, at least one end of the fixed support is provided with an opening, the middle part of the fixed support is provided with containing space, the fixed support is used for placing and fastening a combined screwdriver for electrical equipment maintenance, and the illumination device is arranged inside the fixed support and can emit light towards the open end of the fixed support; the rotation handle is arranged at the other end part of the installation shell, and a switch used for controlling turning-on and turning-off of the illumination device is arranged inside the rotation handle. According to the combined screwdriver illumination device for electrical equipment maintenance, the combined screwdriver for electrical equipment maintenance has the illumination function, potential safety hazards are avoided, the working efficiency is improved, the structure is reasonable, and the operation is convenient.