The utility model discloses a wall paper sword formula barker belongs to the barker, and its structure includes the wall paper sword, the wall paper sword include blade, handle of a knife and blade removal knob, the afterbody of blade links to each other with blade removal knob, and sets up in the handle of a knife respectively, the barker still includes outer sleeve, cylinder, wall paper sword rotation driving device and splint, the outer sleeve setting in the cylinder outside, the middle part axial direction of cylinder goes up to open there is the square through hole, the front end setting of wall paper sword in the square through hole, the tail end setting outside the square through hole, wall paper sword and wall paper sword rotation driving device link to each other, the front end of outer sleeve be provided with splint, splint pass through adjusting device and link to each other with the outer sleeve. The utility model discloses have the flow of skinning of having simplified cable and wire, work efficiency improves greatly, the blade is removable, reduce cost, the thickness of skinning is adjustable, can not cut off the cable conductor, can cut the wire of different models, characteristics such as strong adaptability.