The utility model discloses a broken pincers of tearing open of connecting pipe are dismantled to gas table, including hydraulic tong body, hydraulic tong head, hydraulic lever, hydraulic rod, throttle cock, be equipped with the arc recess on the first side surface of hydraulic tong head, the inward flange punishment of arc recess do not is equipped with a plurality of grooves of inlaying, and is a plurality of inlay the groove and inlay the cutting knife respectively, be equipped with the opening on the second side surface relative with first side surface of hydraulic tong head, hydraulic tong body side surface upper portion is equipped with the baffle, be equipped with the adjustable screw silk on the baffle, adjustable screw silk, a plurality of cutting knife and broken cover of tearing open of the common extrusion of hydraulic rod inlayed. The beneficial effects of the utility model are that, solved and caused the damage and prevent tearing open the problem that set piece splashes and hurts sb. 's feelings when changing the gas table to construction safety has been ensured.