PROBLEM TO BE SOLVED: To provide an endoscope jig or the like for facilitating the work of detaching an endoscope cap from an endoscope. An endoscope jig (101) for removing a bottomed tubular endoscope cap (50) from the tip of an insertion portion (30) of the endoscope (10) can be fitted to the endoscope cap (50). A tubular portion having an inner surface with facing portions that are opposed to each other with a distance smaller than the outer dimension of the endoscope cap 50, a bottom portion provided at one end of the tubular portion, and a tubular portion from the bottom portion to the tubular portion. An endoscope jig including an end projection that protrudes inward and is inserted between split grooves exposed to the outside of the endoscope cap when the tubular portion is covered with the endoscope cap. 101. [Selection diagram] Figure 1【課題】内視鏡用キャップを内視鏡から取り外す作業を容易にする内視鏡用治具等を提供すること。【解決手段】内視鏡１０の挿入部３０の先端から有底筒型の内視鏡用キャップ５０を取り外す内視鏡用治具１０１は、内視鏡用キャップ５０に嵌め合わせ可能であって、内視鏡用キャップ５０の外寸よりも小さい間隔を有して対向する対向部を内面に有する筒型部と、筒型部の一端に設けられた底部と、底部から前記筒型部の内部に突出し、筒型部が内視鏡用キャップに被せられた場合に、内視鏡用キャップの外側に露出する割溝の間に挿入される先端突起と、を備える内視鏡用治具１０１。【選択図】図１
