The utility model relates to a multi -functional electric power maintenance carrier, including chassis and ladder platform, the rear end on chassis is equipped with and pushes away the handle, and the chassis has the universal wheel, is equipped with the ladder platform on the chassis, and ladder pedestal front end on its front end and chassis on the chassis aligns, the rear end with push away the handle and be connected, be equipped with the receiver on the chassis of on one side of the ladder platform or both sides, the receiver cut apart into two at least spaces that hold tool through the baffle, the rear end on chassis is equipped with the support, the support comprises telescopic link and landing leg, the telescopic link front end inserts the chassis and stretches out backward or return forward and contract along the fore -and -aft direction on chassis, the rear end of telescopic link is equipped with the stabilizer blade through the landing leg, be equipped with the central through hole in landing leg and the stabilizer blade, be equipped with the drilling rod in the central through hole, the drilling rod lower extreme is equipped with the drill bit, the drilling rod upper end is connected with the earth connection, the earth connection other end is equipped with the couple, multiple safe multiplexer utensil can be deposited to this device, has the ground connection function, the large -scale maintenance job site of the outdoor transformer substation of specially adapted carries out safety measure and arranges.