PROBLEM TO BE SOLVED: To provide an absorbent article capable of minutely adjusting the width of the product at an appropriate width by part such as a front body, a crotch and a back body.SOLUTION: An absorbent article is divided into a front body 1 abutting to the abdomen of a wearer, a back body 2 abutting to the back of the wearer, and a crotch 3 located between the front body and the back body. The absorbent article includes one or a plurality of tucked parts 10 and a fixing means 13. The tucked parts are provided in at least one of the front body or back body, and are formed by valley folding lines 11 and mountain folding lines 12 extending in the longitudinal direction of the absorbent article, so that the tucked parts can be unfolded in the lateral direction of the absorbent article. The fixing means partially fixes the tucked parts so as to prevent part of the tucked parts from being unfolded in the lateral direction.
