The utility model relates to an electric power overhauls uses folding ladder, including two ladder framves, the articulated connection of one end of two ladder framves, it is provided with the foot bar on the ladder frame to be located, the foot bar sets up a plurality ofly along the length direction interval of ladder frame, be provided with the support board that is used for depositing article on one side of lieing in on the ladder frame, the hinged end position department of the neighbouring ladder frame of support board sets up, the one end of support board is parallel with the articulated shaft of ladder frame with articulated setting of ladder frame and articulated shaft, the hinged end position department of neighbouring ladder frame still is provided with the bracing piece, the one end of bracing piece is with the ladder frame is articulated and the articulated shaft is parallel with the articulated shaft of support board, the other end of bracing piece constitutes detachable the connection with the side of support board. The novel folding ladder of this kind not only occupies smallly, convenient folding, can make things convenient for the actual use of electric power maintainer moreover.