The invention discloses an auxiliary traction head of a rolling type cylindrical power cable threading apparatus. The auxiliary traction head comprises a cylinder, and a first fixing plate and a second fixing plate are arranged on the two sides of the interior of the cylinder correspondingly. A first open hole and a second open hole are formed in the middle of the first fixing plate and the middleof the second fixing plate in a penetrating mode correspondingly. A fixing sleeve corresponding to the second open hole in position is fixedly connected to the side wall of the second fixing plate, and a traction head is arranged in the second open hole. A cable connecting ring is fixedly connected to the end, facing the interior of the cylinder, of the traction head, and a traction wire is fixedly connected to the end, facing the exterior of the cylinder, of the traction head. A limiting sleeve is connected to the fixing sleeve in a threaded sleeving mode. A cleaning mechanism located on theouter side of the second fixing plate is arranged in the cylinder. According to the invention, cables with different diameters and thicknesses can be quickly and firmly connected, the use is more convenient, the use applicability is improved, the working efficiency is improved, the damage of sundries to the cable skin is effectively prevented, and the working quality is improved.