To provide an adhesive film that allows other layers than a release liner to be easily cut, and prevents the release liner from being cut out, and an adhesive film cutting device.SOLUTION: An adhesive film 10 has a substrate layer 12, an adhesive layer 13, and a release liner 14 in a lamination direction in the stated order. The substrate layer is formed of polyurethane, and the release liner has a greater tensile elasticity than that of the substrate layer as measured in accordance with JIS K7127: 1999 and has a thickness of 75 micro m or more.SELECTED DRAWING: Figure 1

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