The present invention relates to a slide-stair variable prefabricated dog house, each having a first coupling part 102 and a second coupling part 103, a pair of which is symmetrically arranged at a predetermined distance before and after a wall plate (10) constituting a main wall ); The first coupling means 201 corresponding to the first coupling part 102 is formed, the fixed top plate 20 is coupled so as to be disassembled and assembled between the first coupling part 102 of the pair of wall plates (10); The second coupling means 301 corresponding to the second coupling part 103 is formed, the connection plate 30 is coupled between the second coupling part 103 of the pair of wall plates 10 so as to be disassembled and assembled; Doedoe coupled to the wall plate 10 so as to be disassembled and assembled, a variable plate 40 that becomes a slide or a step depending on the coupling position; includes According to the present invention, not only disassembly and assembly can be performed quickly and easily, but also by simply changing the assembly position of the variable plate, it can be changed into a slide or a staircase for a companion animal and can be used as a house, thereby improving space utilization. have.
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