The size of hip-holding flap can be optionally adjusted so that fitting to the body is improved and that leakage of body fluid is prevented. A sanitary napkin 1 is constituted of napkin main body 10 composed of a top sheet 11, a liquid-impermeable bottom sheet 12, and an absorber 13 interposed therebetween and an napkin sub-body 20 joined to the upper layer of the napkin main body 10 and composed of a top sheet 21, a bottom sheet 22, and an absorber 23 interposed therebetween. The napkin sub-body 20 is constituted of a front portion 24 that is joined to the napkin main body 10 at a bleeding port-corresponding region and a back portion 25 that is positioned on the back side of the front portion 24 and can be divided into right and left parts 25A and 25B at a dividing line 26 formed along the longitudinal direction from the back side end of the center in the width direction of the sanitary napkin 1 such that the divided right and left parts 25A and 25B can spread outward in the width direction of the napkin main body 10 from the boundary between the front portion 24 and the back portion 25 as the base end.
