The disclosed manufacturing method for an underpants-style absorbent article includes the following steps: a sheet substrate which is the continuous form of a sheet which forms a front body or a back body is conveyed in a conveyance direction； next, by supplying a continuous elastic body to the sheet substrate while rocking the continuous elastic body in a direction perpendicular to the conveyance direction, the continuous elastic body is alternately disposed on the sheet substrate and outside the sheet substrate, and sections of the continuous elastic body which are disposed on the sheet substrate are mounted thereon； next, the sections of the continuous elastic body which are disposed outside the sheet substrate are held by a holder； next, the sections of the continuous elastic body which are disposed outside the sheet substrate are cut off.
