A multi-rod disc brake comprising: a brake unit, the brake unit including a locking structure, and the locking structure having two symmetrical bases, two symmetrical swing arms, two symmetrical wear resistant sleeves, and two symmetrical pistons; wherein an accommodation chamber is defined between the two pistons to accommodate a stop disc; a respective base is rotatably connected with a first rotary shaft of a respective swing arm and accommodates a respective wear resistant sleeve, the respective wear resistant sleeve movably accommodates a respective piston, an end of the respective swing arm is rotatably connected with the respective piston by a first screw bolt so that the respective swing arm actuates the respective piston to move in the respective wear resistant sleeve reciprocately; and the respective swing arm has a second rotary shaft mounted on another end thereof; a drive unit includes a multiple-rod structure mounted on the second rotary shaft of the respective swing arm, wherein the second rotary shaft is rotatably connected with a second screw bolt, the second screw bolt is rotatably connected with a connecting portion of a first end of a connection rod so that the respective swing arm actuates the connection rod to swing via the second rotary shaft, wherein a second end of the connection rod is rotatably connected with a respective third rotary shaft of two third rotary shafts, the respective third rotary shaft has a second locating orifice defined on a central section thereof, and the second locating orifice of the respective third rotary shaft is connected with a first extension of a first joining cable or a second extension of a second joining cable, wherein each of the first extension and the second extension is connected with a resilient element, the first joining cable has a first receiving orifice, and the second joining cable has a second receiving orifice, such that a brake cable is inserted through the first receiving orifice and the second receiving orifice to be fixed by a fixing element. a brake unit, the brake unit including a locking structure, and the locking structure having two symmetrical bases, two symmetrical swing arms, two symmetrical wear resistant sleeves, and two symmetrical pistons; wherein an accommodation chamber is defined between the two pistons to accommodate a stop disc; a respective base is rotatably connected with a first rotary shaft of a respective swing arm and accommodates a respective wear resistant sleeve, the respective wear resistant sleeve movably accommodates a respective piston, an end of the respective swing arm is rotatably connected with the respective piston by a first screw bolt so that the respective swing arm actuates the respective piston to move in the respective wear resistant sleeve reciprocately; and the respective swing arm has a second rotary shaft mounted on another end thereof; a drive unit includes a multiple-rod structure mounted on the second rotary shaft of the respective swing arm, wherein the second rotary shaft is rotatably connected with a second screw bolt, the second screw bolt is rotatably connected with a connecting portion of a first end of a connection rod so that the respective swing arm actuates the connection rod to swing via the second rotary shaft, wherein a second end of the connection rod is rotatably connected with a respective third rotary shaft of two third rotary shafts, the respective third rotary shaft has a second locating orifice defined on a central section thereof, and the second locating orifice of the respective third rotary shaft is connected with a first extension of a first joining cable or a second extension of a second joining cable, wherein each of the first extension and the second extension is connected with a resilient element, the first joining cable has a first receiving orifice, and the second joining cable has a second receiving orifice, such that a brake cable is inserted through the first receiving orifice and the second receiving orifice to be fixed by a fixing element.