The invention discloses a device for housing stray cats. The device includes a box body unit, the front side of the box body unit is arranged in an open mode, a mobile door is arranged at the opening of the box body unit, an entrance/exit is arranged in the movable door for cats to pass through, the left-side wall of the box body unit is provided with a vertically arranged clamping strip for connecting a food bucket, the right-side wall of the box body unit is provided with a buckle device for installing a water bottle, the bottom of the box body unit is provided with four downward convex bottom blocks, and the top of the box body unit is provided with four downward concave corners matched with the bottom clocks. The device has the advantages that the device can be used for housing homeless stray cats, and by the designed structure of stacked box body units, the space occupation is reduced; the rotatably opened movable door makes it convenient to manually pull out pads, sweep and clean; a plurality of pedals arranged below a plurality of movable doors in a staggered mode are convenient for the stray cats to enter thereon; the food bucket and a cat bowl are arranged at the left side of the box body unit, and the water bottle is arranged at the right side of the box body unit, so that it is convenient for the stray cats to eat and drink.