The invention discloses a pressing device for regenerated cotton production. The pressing device comprises a base, four supporting rods are installed at the top end of the base, a placement groove isformed in the middle of the top end of the base, the top ends of the four supporting rods are jointly provided with a first supporting plate, the bottom end of the first supporting plate is provided with a motor, an output shaft of the motor is provided with a first gear, the top end of the first supporting plate is provided with a rotating shaft, the top end of the rotating shaft is provided witha second gear, the axis position of the second gear is provided with a threaded hole, the second gear is connected with a screw rod through a threaded hole, the bottom end of the screw rod penetratesthrough the rotating shaft to extend to the position below the first supporting plate, the top end of the screw rod is extended to the position above the first supporting plate, the second gear is engaged with the first gear, the bottom end of the screw rod is provided with a second supporting plate, and the bottom end of the second supporting plate is provided with two symmetrical hydraulic cylinders. The pressing device is reasonable in design structure, easy to operate, capable of effectively pressing regenerated cotton and beneficial to taking out regenerated cotton.