An object of the present invention is to provide a sharpening cat claw of vertical and less restrictive on the location . The apparatus includes a bottom member 10 , the bottom member and the strut 15 which is disposed upward , and a cylindrical member inserted into the struts , the outer peripheral surface of the cylindrical member , and for cat sharpening claws scratching member 21 is in sharpening claws for cats are placed . On the bottom side of the bottom member are arranged stabilizing member 16 to maintain the overall balance , it is preferable that the strut is fixed to the stabilizing member . Struts are preferably in the vertical direction is divided , can be connected . Also on the top side of the bottom member , it is preferable that the cat is located scratching members 11 for sharpening claws . [ Selection Figure ] Figure 1【課題】設置場所に関する制約が少ない縦型の猫用爪研ぎを提供する。【解決手段】底面部材10と、底面部材から上方に向けて配置された支柱15と、支柱に差し込まれた円筒部材とを有し、円筒部材の外周表面には、猫が爪を研ぐための爪研ぎ部材21が配置されている猫用爪研ぎである。底面部材の底面側に、全体のバランスを保つ安定化部材16が配置されており、支柱が安定化部材に固定されていることが好ましい。支柱は、上下方向に分割・接続可能であることが好ましい。底面部材の上面側にも、猫が爪を研ぐための爪研ぎ部材11が配置されていることが好ましい。【選択図】図1