The utility model relates to a wire stripper, including setting up the fly leaf and the fixed plate of setting in the frame rear end at the frame front end, be provided with the centre gripping subassembly that is used for pressing from both sides tight electric wire rear end on the fixed plate, be provided with the cutter unit spare that is used for cutting into electric wire front end crust on the fly leaf, the fly leaf links with the first cylinder that is used for driving its seesaw. The utility model discloses not only structural design is reasonable, moreover the electric wire skin effectual, efficient, easily operation.