To provide an extruding jig and a method for extubating which can efficiently withdraw a tube with good working efficiency. SOLUTION: A tooth train part 11 having a plurality of protruding ridge teeth T arranged at one end and an engaging part 12 engaging with a rotary driver at the other end, and the tooth row part 11 and the engaging part 12 A main body rod 10 having a threaded portion 13 for screwing the nut 40 therebetween, a first engaging portion 21 engaging with the outer periphery of the nut 40 at one end, a second engaging portion engaging with the rotary driver at the other end A power transmission tool 20 having a mating portion 22 for moving the nut 40 so as to freely advance and retreat via a rotary driving machine, a power transmission tool 20 inserted through the body rod 10 and pressed and moved toward the tube sheet 90 via the nut 40 And a tubular fixture 30 which acts as a pull-out force of the main body rod 10 after impinging on the tube sheet 90, a thrust force directed toward the tube sheet 90 of the nut 40, and the opening diameter F of the distal end of the tubular fixture 30 is Which is larger than the outer diameter G of the pipe 80. (FIG.
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