The invention provides a perforated cable cutter and belongs to the field of perforated cable cutting technologies. The perforated cable cutter reduces damage to other tools caused by forced lifting of a cable. According to the technical scheme, the perforated cable cutter comprises a shell, an upper packing, a water inlet hole, a cutter bar, a cutter block 1, a cutter block 2, a movable dowel, a locking sheet, an impact pin, an anti-receding clamping piece, a lower packing and a plug, wherein the water inlet hole is formed in the upper end of the shell, the upper packing and the lower packing are arranged inside the shell and are sealed by rubber rings, and the cutter block 1 and the cutter block 2 movably cut the cable by adopting inclined planes. The perforated cable cutter has the advantage of reducing damage to other tools caused by forced lifting of the cable.