The utility model discloses a two to tangential insulating ratchet cutter, including insulating bar subtotal ratchet cutter part, the insulating bar part is including master lever, pull rod, ratchet operating handle, fixed cover, fixer, ratchet cutter part includes fixed even board, guide pulley, tightens up wire rope, spring support rod, cutter, the fixed even board of terminal welding level and the vertical fixed even board of stationary knife knife rest, spring support rod one end is cup jointed in moving the terminal connecting hole of sword, and the other end passes through fixing bolt to be fixed on the stationary knife knife rest, tighten up wire rope through the bolt fastening on moving sword pincers handle, through guide pulley, pass the aperture on the fixer angle, connect the pull rod. The utility model has the advantages of it is following: two fixed even board swing joint correspond level and vertical direction open -ended cutter respectively, can the level of cutting and vertical direction cross the lead wire, through spring support rod and tighten up wire rope control and move the sword, move the sword and reset in time, the flexibility that insulating ratchet cutter was operated has increased.