The purpose of the present invention is to obtain a means with which it is possible to apply, when bending an adsorbent article to which a liquid material such as a fragrance is applied, or a packaging body in which the absorbent article is packaged, the liquid material at a predetermined position on the adsorbent article or the packaging body in a stable manner, and to prevent the liquid material from contaminating the production line. Specifically, the liquid material application method has an application step (S2) for applying a fragrance (26) on one side of a sheet-shaped object (2) and a folding step for folding, at least one time in at least the longitudinal direction in a valley fold, the object (2) to which the fragrance (26) has been applied, wherein, in the application step (S2), the fragrance (26) is applied only to a portion of the object (2) that does not come into contact with the portion of the object (2) that is held down in the thickness direction of the object (2) during a holding-down step (S3).