PROBLEM TO BE SOLVED: To provide a postoperative adhesion preventing tool which can easily introduce an adhesion preventing absorbent barrier film to a target site in a body cavity.SOLUTION: A postoperative adhesion preventing tool 900 is a laminated body formed by stacking an adhesion preventing absorbent barrier film 100 and a rubber sheet 200 in layers. The rubber sheet is made of polychloroprene rubber. The rubber sheet 200 holds the end of the adhesion preventing absorbent barrier film 100, and it is rolled. The rolled postoperative adhesion preventing tool is inserted into a trocar, is introduced to a site in a body cavity to be placed thereon, and is rolled out. The adhesion preventing absorbent barrier film 100 is attached to a target site so as to cover it, and the adhesion preventing absorbent barrier film is firmly stuck to the target site over the rubber sheet.
