The utility model relates to the technical field of auxiliary parts, in particular to a fireproof plugging construction auxiliary part which comprises a
pipe body, a bottom plate is fixedly connected to the bottom of the
pipe body, an external installation mechanism is arranged on the outer wall of the bottom plate, the
pipe body is provided with a material collecting bin, a movable plate is arranged on the inner wall of the material collecting bin, and a lifting
extrusion mechanism is arranged on the top of the movable plate. A plurality of discharging holes are formed in the bottom of the pipe body, a sealing
processing mechanism is arranged on the top of the pipe body, blocking materials can be loaded through the collecting bin arranged in the pipe body, the blocking materials can be extruded through the lifting
extrusion mechanism, the blocking materials are discharged from the discharging holes in the bottom of the pipe body, and the opening positions are blocked. The top of the pipe body can be sealed through the sealing
processing mechanism, the plugging safety is guaranteed, the pipe body and the cable can be tightly connected through the clamping and reinforcing mechanism, and the plugging stability of the opening between the cable and the wall is further guaranteed.