PROBLEM TO BE SOLVED: To provide fixing means of an endoscope, even when the endoscope is inserted into a body cavity, capable of easily attaching/detaching the endoscope with respect to an endoscope holder.SOLUTION: There is provided fixing means for fixing an endoscope that includes an insertion section to be inserted into a body cavity and an endoscope body attached to one end of the insertion section, where a surgical part in the body cavity can be observed by using the endoscope, the fixing means including: a holder body attached to a fixing base placed on a floor and rotatably holding the endoscope body. The holder body includes an attachment/detachment mechanism that can attach/detach the endoscope body with respect to the holder body, with the insertion section inserted into the body cavity.SELECTED DRAWING: Figure 5【課題】内視鏡を体腔内に挿入したままでも内視鏡ホルダから内視鏡を容易に着脱することができる内視鏡の固定手段を提供する。【解決手段】体腔内に挿入される挿入部と前記挿入部の一端に取り付けられた内視鏡本体を有する内視鏡を用いて体腔内の術部を観察可能な内視鏡を固定する固定手段であって、前記固定手段は、床に載置された固定台に取り付けられると共に前記内視鏡本体を回転可能の保持するホルダ本体を備え、前記ホルダ本体は、前記挿入部を体腔内に挿入したまま前記内視鏡本体を前記ホルダ本体から着脱可能な着脱機構を備える。【選択図】図5