The present invention is an absorbent article (1) having a top sheet (2), a back sheet (3), and an absorbent core (4) disposed therebetween, and wherein a flap sheet (5) having a central region (C) in the front-back direction (y), an end region (E), and intermediate region (M) positioned therebetween is provided to both sides in the widthwise direction (x) of the top sheet (2), the flap sheet (5) has a base section (6) provided facing the top sheet (2) and an upright section (7) extending from the base section (6) and formed folded back at the inner end in the widthwise direction (x) of the base section (6), the central region (C) and end region (E) of the base section (6) are joined to the top sheet (2) and/or back sheet (3) at the inside in the widthwise direction (x) with respect to the intermediate region (M), and the upright section (7) is joined to the base section (6) at the end region (E).吸收性物品1包括：頂片體2；背片3；及配置於頂片體2及背片3之間的吸收性核心4。在該頂片體2的寬幅方向x的兩側，設有在前後方向y有中央區域C和端部區域E及位於其間的中間區域M之襟翼5；該襟翼5具有：面對該頂片體2設置的基部、以及從該基部延伸存在並形成為在該基部的寬幅方向x的內方端回折的起立部；該基部，在該中央區域C及該端部區域E比該中間區域M靠近寬幅方向x內方處，和該頂片體2及/或背片3接合；該起立部，在該端部區域E和該基部接合。
