Independent ventilation and padding conveniently changeable animal raising cage with static-pressure air cavities

An independent ventilation and padding conveniently changeable animal raising cage with static-pressure air cavities comprises a cage body, a cage cover, a frame sealing mat, a water and food holder, two ventilation hole plates, a static-pressure air cavity cover plate, a drawer type padding tray, a movable net rack and leather cups. The two ventilation hole plates are inserted in snapping grooves in the two ends of the cage body respectively, the static-pressure air cavity cover plate is fixed on bosses fixed in the cage body through screws, and accordingly, two static-pressure air cavities are formed in the two ends in the cage body. The drawer type padding tray is inserted in the cage body from a padding tray insertion opening in the cage body front wall plate. The movable net rack is mounted in the cage body, two handles on the movable net rack are inserted in elongated grooves in the front wall plate and the rear wall plate of the cage body respectively, the ends of the handles stretch out of the round b