The utility model discloses a binding post short circuit device, the short circuit device detachable peg graft on binding post, and this short circuit device includes a plurality of inserted bars of being made by electrically conductive material that connect gradually, inserted bar one end is pegged graft with binding post and is fixed, and other end cladding has the insulating layer in order to form the handle. The utility model discloses a binding post short circuit device realizes binding post's short circuit through the grafting mode, but and is equipped with insulated handle tenaculum electric heat and pulls out and insert.