An absorbent article having an excellent liquid leakage prevention effect and capable of improving productivity, and a method of manufacturing the same. An absorbent article according to the present invention is a laminate in which a water-impermeable opening sheet 2, an absorbent pad 3, and a water-impermeable non-opening sheet 4 are laminated in this order by welding or bonding. A body, and the opening sheet 2 has an opening 1 exposing a portion of the absorbent pad 3 excluding a peripheral portion. In the method for manufacturing an absorbent article according to the present invention, the opening sheet 2, the absorption pad 3, and the non-opening sheet 4 are integrated by welding or bonding. [Selection diagram] Fig. 1【課題】液漏れ防止効果に優れ、生産性の向上をも図ることのできる吸収性物品及びその製造方法を提供すること。【解決手段】本発明に係る吸収性物品は、不透水性の開口シート2、吸収パッド3及び不透水性の非開口シート4が溶着又は接着によりこの順に積層された状態で一体化された積層体を具備し、前記開口シート2は、前記吸収パッド3の周縁部を除いた部分を露出させる開口1を有する。本発明に係る吸収性物品の製造方法は、前記開口シート2、前記吸収パッド3及び前記非開口シート4を溶着又は接着により一体化する。【選択図】図1