This creation is a kind of related box body combinations structure of what,It is that can be formed by least one box body combinations to play the structure hidden for pet (such as: cat),Its each cabinet includes at least five corrugated board units,Each periphery of the corrugated board unit be equipped with can the mutual fixed engaging portion of inlay card,What end face is equipped with a through-hole and number interlockings hole again; Thereby,It corresponds to the interlockings hole of each cabinet corrugated board unit to set part using spiral shell and locks,To make each cabinet composable together,It can be connected to by through-hole simultaneously,Pet can be hidden inside what to play,And it also can be used as pet grasping plate using corrugated board material and uses,Reach and has the effect of practical and convenience person.本創作係有關於一種箱體組合結構,其係可由至少一個箱體組合而成來供寵物(如:貓)玩耍躲藏用的結構,其每一箱體包含有至少五瓦楞紙板單元,該瓦楞紙板單元之各周邊設有可相互嵌卡固定的結合部,再於端面設有一通孔及數鎖接孔;藉此,以利用螺設件對應各箱體瓦楞紙板單元的鎖接孔而鎖固,以讓各箱體可組裝一起,同時藉由通孔而可連通,讓寵物可於內部躲藏玩耍,而其使用瓦楞紙板材質也可作為寵物抓板使用,達到具實用與便利性的功效者。