Problem to be solved: to provide a cover for a urine bag which is formed so that the urine bag can be prevented from being exposed to human eyes and easy to observe urine and easy to use. The front side portion 2 corresponding to the scale of the front surface of the urine bag is formed on the left and right sides so as to be freely wound around the side of the side. After the winding operation, there is provided a stopper 5 for temporarily retaining the front portion 2. The fastener 5 is provided on the front end of the upper end portion of the cover body 3 corresponding to one stop member 8a and one side of the upper end portion of the cover body 3 corresponding to one stop member 8A when the one stop member 8A provided on the front end of the upper end portion of the front end portion of the front side part 2 and the front side part 2 is folded laterally A stopper member 8b is formed. Diagram【課題】導尿バッグが人目につくことを防止でき、尿の観察を簡単且つ楽にでき、使い勝手が良くなるよう形成した導尿バッグ用のカバーを提供する。【解決手段】導尿バッグの前面の目盛に対応する前側部分2を、左右何れか一方の側に横開き状に捲り操作自在に形成する。捲り操作後に、この前側部分2を仮止めするための止め具5を備える。止め具5を、前側部分2の開放端側の上端部の前面に設けている一方の止め付け部材8aと、前側部分2を側方に折り返したとき、一方の止め付け部材8aと対応するカバー本体3の上端部の前面位置に設けている他方の止め付け部材8bとで形成する。【選択図】図1