The utility model discloses a pressure point fraising ware draws in anti - system again of catalytic cracking unit, pressure point fraising ware draws in anti - system again of catalytic cracking unit, the ware that should ream can dismantle to connect and manage in drawing to press, the fraising ware includes that the connecting pipe of cavity setting places the drilling rod of connecting pipe, packing seal layer and rotatory hand wheel in, in, be provided with on the outer wall of connecting pipe lower extreme and draw the external screw thread of pressing inside pipe wall looks adaptation, packing seal fills on the layer between connecting pipe and drilling rod, the drilling rod is the bolt lead screw structure, and this drilling rod one end is extended one side of connecting pipe and is connected on rotatory hand wheel, and its other end is the free end and extends the opposite side of connecting pipe connecting pipe, the same axis setting of drilling rod. The utility model discloses a fraising ware simple structure, simple operation, safe in utilization under high temperature, highly compressed operation environment, both can switch on fast, effectual to draw and press the intraductal pressure point that draws, can prevent to switch on the outer hourglass of in -process catalyst and oil gas again, and to a great extent has improved the efficiency when producing.