The utility model belongs to the technical field of the electrical equipment technique of maintaining and specifically relates to a GIS is dustproof canopy that overhauls of movable for overhaul of equipments is related to. The 2 spinal branch capitals part that arranged both sides do not with 2 crossbeam in -cut connections, the 2 spinal branch capitals part that arranged at both ends around, do not with 2 longeron in -cut connections, shore the both ends in -cut connection between 2 crossbeams of both sides, 4 set up the ceiling that the waterproof cloth was made on root stand top and 2 crossbeams, 2 longerons and 2 top surfaces of shoring formation, 4 stand outsides set up the side wall and make GIS is dustproof canopy that overhauls of movable for overhaul of equipments. The utility model relates to a GIS is dustproof canopy that overhauls of movable for overhaul of equipments can guarantee that the maintenance of GIS device context has good operational environment to can close check GIS equipment construction process quality, guarantee that maintenance equipment can put into operation safely, reliable steady operation.