Disclosed is an absorbent article including: a liquid permeable topsheet disposed on a body surface of the article a liquid barrier sheet for preventing liquids from exuding toward a garment surface of the article and an absorbent layer disposed between the topsheet and the liquid barrier sheet. The absorbent article has a liquid receiving region of a predetermined area where the topsheet and the absorbent layer overlap each other. A reference mark for visually measuring an extent of liquid spread in the liquid receiving region is provided on a body surface of the topsheet.
