UNDERPANTS TYPE ABSORBENT ARTICLE

PROBLEM TO BE SOLVED: To provide an underpants type absorbent article capable of effectively preventing decline of a wearing feeling due to a bonded part formed on a waist belt being abutted to the skin of a wearer.SOLUTION: An underpants type absorbent article 1 includes an annular waist band 2 and an absorbent body 3, and the annular waist band 2 and the absorbent body 3 are detachable. The annular waist band 2 includes a bonded part 21 formed by bonding both end parts in a longitudinal direction in a belt-like sheet member 22 that is long in one direction in the form of being pressed. The belt-like sheet member 22 has, on at least a part thereof, extension/contraction parts 23a and 23b which are stretchable along the longitudinal direction of the belt-like sheet member 22. In a worn state of the article 1, the annular waist band 2 and the absorbent body 3 are detachably fixed such that the bonded part 21 of the annular waist band 2 is exposed to a skin non-abutting surface side of the annular waist band 1, and is positioned in a width direction center area of an abdominal side part or a back side part in the absorbent body 3.