Combined set die for remaining and blocking cast-in-place floor pay-off hole

The utility model discloses a cast-in-place floor pay-off hole remaining and plugging combined set die which comprises a barrel matched with a preformed hole in a floor and an anchoring screw rod, a reinforcing tension band is welded to the outer side of the top of the barrel, handles used for rotating the barrel are arranged on the two sides of the reinforcing tension band respectively, the bottom of the barrel is connected with an annular bottom plate, and the bottom of the barrel is connected with the anchoring screw rod. The top and the bottom of the anchoring screw are each provided with a thread, the top of the anchoring screw is connected with an adjusting screw, the top of the adjusting screw is provided with an adjusting handle, the threads of the adjusting screw are connected with a first nut, a second nut is welded to one side face of the first nut, and the axis of the first nut is perpendicular to the axis of the second nut. A steel bar cross beam is arranged in a hole of the second nut in a penet