The utility model relates to a pincerlike instrument of cutting power cable insulating layer, clamping the handle including last pincers handle and lower plier handle on, and including handheld pole,hinged ring and arc pincer head down, lower plier handle is including handheld pole, hinge bar down and go up the arc pincer head, and the hinge bar is a constant angle degree with lower handheld pole, the last fixed orifices that sets up of hinged ring, set up the access that matches with the fixed orifices on the hinge bar, adjusting bolt runs through fixed orifices and access, the overhead punch holder that sets up of arc pincer is gone up to the lower overhead lower plate that sets up of arc pincer, and the mutual symmetry of punch holder and lower plate is parallel, sets up assistant clamp plates and lower assistant clamp plates below punch holder and the lower plate respectively, the fixed blade of going up between punch holder and the last assistant clamp plates, fixed bottom knifebetween lower plate and the lower assistant clamp plates. The utility model discloses pincerlike cutting tool is quick, accurate, simple, convenient, and with low costs, safe and reliable has improvedwork efficiency, but rip cutting and crosscut cable, and the range of application is extensive.