Disclosed is a disposable diaper in which a disposable diaper is not collapsed at the time of manufacture, and the detachment of a fastening member from a diaper body is suppressed even when a wearer uses a heater, and a method for manufacturing the same. . A disposable diaper according to the present invention includes a diaper main body having an absorbent core, left and right fastening members respectively joined to both side edges of a rear portion of the diaper main body, and extending outward in the width direction from the diaper main body. A first fastening member provided on the skin surface side of each of the left and right fastening members, and a second fastening member provided on the outer surface side of the front portion of the diaper main body, wherein the first fastening member is detachably fastened. The diaper main body and the fastening member are joined by a cured product of a reactive urethane hot melt adhesive and a non-reactive hot melt adhesive. [Selection] Figure 3【課題】製造時の使い捨ておむつ型崩れがなく、さらに、着用者が暖房器具を使用した場合でも、ファスニング部材のおむつ本体からの脱離が抑制された使い捨ておむつ、および、その製造方法を提供する。【解決手段】 本発明の使い捨ておむつは、吸収コアを有するおむつ本体と、前記おむつ本体の後方部の両側縁部にそれぞれ接合され、前記おむつ本体から幅方向の外側に延びる左右のファスニング部材と、前記左右のファスニング部材の肌面側にそれぞれ設けられた第１止着部材と、前記おむつ本体の前方部の外面側に設けられ、前記第１止着部材が着脱自在に止着される第２止着部材とを有し、前記おむつ本体と前記ファスニング部材とが、反応性ウレタンホットメルト接着剤の硬化物と、非反応性ホットメルト接着剤とにより接合されていることを特徴とする。【選択図】図３
