An adhering member comprises an adhesive layer 2 of a thickness R formed on one surface of a backing 1, and a liner 3 of a thickness T laminated on the adhesive layer, and has a half-cut formed in the liner for making handleability satisfactory while preventing seepage of contents. The adhering member excellent in handleability and stability is obtained by providing, for example, the half-cut 4 having a rectangular or inverted triangular sectional shape, a groove width of 200 .mu.m or less, and a groove depth of more than 14T/15 but less than (T+R).