Ventilation device for paguma larvata breeding house

The utility model discloses a ventilation device for a paguma larvata breeding house. Breeding house, a positive and negative rotation motor is fixedly arranged at the top of one side of the breedinghouse; a screw rod is fixedly arranged on a transmission shaft of the positive-negative rotation motor; the screw rod is in threaded connection with the middle part of the connecting seat through a screw rod nut; a limiting rod is fixedly arranged at the top of the breeding house; the limiting rod is inserted into the top of the connecting seat; a ventilating fan mounting base is fixedly arrangedat the bottom end of the connecting base; a ventilating fan is fixedly arranged at the bottom end of the ventilating fan mounting base; ventilation openings are fixedly formed in the middles of the two sides of the breeding house; the breeding house has the advantages that the arranged forward and reverse rotation motor rotates to drive the lead screw to rotate, the lead screw is in threaded connection with the connecting