Birdcage with height-adjustable cage body

The utility model discloses a birdcage with a height-adjustable cage body of which the height of the cage body is adjustable. According to the birdcage, the space saving requirement is satisfied when the birdcage is carried or the placement height of the birdcage is limited (such as placement in car boot when going out), meanwhile, the height of the cage body of the birdcage can be increased in accordance with environment conditions when the placement space of the birdcage allows, so that birds in the birdcage have higher flight space, the defects that the space of birds in the cage is small, the flight is limited, and the wing power is unable to be exercised in the prior art can be overcome, the birds in the cage have wider living environment, thereby being conducive to strengthening wings of the birds in the cage, making the life more enjoyable, and having higher ornamental value. The birdcage can be applied to the household aviculture or the storage of birds by bird sellers.