Pet furniture

A pet furniture including a box, comprising a housing, and a plurality of sheets, the housing including an accommodating recess recessed and concavely formed on a side thereof, the plurality of sheets being detachably and erectly disposed in the accommodating recess, wherein when the plurality of sheets are in the accommodating recess, the wide side of each of the plurality of sheets is exposed at the opening of the accommodating recess;

• wherein the housing includes a bottom board and four side wall boards bendably connected to the edges of the bottom board, the bottom board having a first engaging through hole and a second engaging through hole spaced apart from each other and disposed near the at least one of side wall boards, at least one of the side wall boards including an auxiliary engaging portion, the auxiliary engaging portion including a first auxiliary board and a second auxiliary board, wherein when the side wall boards and the bottom board form the housing, the auxiliary engaging portion passes through the second engaging through hole and is located on a side of the bottom board opposite the accommodating recess, in which the first auxiliary board adheres to the outer surface of the bottom board, and the second auxiliary board passes through the first engaging through hole correspondingly.