PROBLEM TO BE SOLVED: To provide a self-adhesive protective member (except for a self-adhesive protective member for hangnails) providing excellent use feeling without providing a sense of incongruity to fingers even when a personal computer or a mobile phone is used.SOLUTION: The self-adhesive protective member (except for the self-adhesive protective member for hangnails) includes at least a self-adhesive agent layer and a base material with thickness within a range of 5-35 &mum, and is used by sticking on a finger nail in a state that the backside of the finger is exposed so as to cover the peripheral surface thereof or by sticking on a finger so as to cover the surface thereof along the longitudinal direction. A reinforcing peeling member is laminated on the surface of the base material and the self-adhesive protective member is formed in a crescent, elliptic, circular, square, or polygonal shape in plan view.COPYRIGHT: (C)2010,JPO&INPIT【課題】 パーソナルコンピューターや携帯電話等を使用する場合であっても、指に違和感が無く、使用感に優れた粘着保護部材(但し、さかむけ用粘着保護部材を除く。)を提供する。【解決手段】少なくとも粘着剤層と、厚さが5~30μmの範囲内の値である基材と、を含み、指の裏側を露出させた状態で、指爪の周囲を表面的に覆うように貼付するか、あるいは指の長手方向に沿って、指の表面側を覆うように貼付するための粘着保護部材(但し、さかむけ用粘着保護部材を除く。)等であって、基材の表面に、補強用剥離部材が積層してあり、かつ、平面形状を略三日月状、楕円、円形、四角形、または多角形とする。【選択図】 図1