The invention discloses a method for increasing a qualification rate of test marks of grounding wires and operating rods. The technical scheme includes that the method mainly includes the steps of 1, cutting a PET (polyethylene terephthalate) film into a first wide elongated film and a second narrow elongated film, folding the second elongated film in half along the central line in the width direction, and forming pressing edges D2 in width on the folded second elongated film at an interval of D1 by means of hot pressing so as to enable a plurality of adjacent pockets to be formed on the second elongated film; 2, cutting the first elongated film at an interval of D3 to form first film pieces, and cutting along the central lines of the pressing edges to form second film pieces; 3, applying one side of every second film piece with glue, and pasting the second film piece on the corresponding first film piece so as to enable the second film piece to be positioned in the center of the first film piece; 4, adhering a double-faced adhesive tape on the side face at one end of every first film piece along the width direction. The method solves the technical problem that an existing test mark is prone to breakage and shedding.