PROBLEM TO BE SOLVED: To provide an absorbent article in which an upper layer part material is made to surely alienate from the surface of a body, and is made to be able to enter the groove of a body, and the manufacturing is facilitated.SOLUTION: A sanitary napkin 1 is characterized in that an absorber 4 is interposed between a liquid permeable surface sheet 3 and a back sheet 2, and an upper layer part material 20 that alienates from the surface along a longitudinal direction when being mounted is provided at the width direction central part of a surface side. The upper layer part material 20 is provided with: a fixed parts 21 and 21 to fix the liquid permeable surface sheet 3 to the surface side respectively at both ends of a longitudinal direction and a bonding part 22 that bonds the upper layer part materials 20 at the vicinity of a fold line X1 that is a portion in which the upper layer part materials 20 meet together and overlap together when the sanitary napkin 1 is folded at a fold line position along the width direction at the packaging.
