<p>[PROBLEMS] To provide a slender napkin for physiology disposed between a vaginal opening and an anal cleft part capable of improving a function for preventing menstrual blood from leaking rearward by fitting it to the anal cleft part. [MEANS FOR SOLVING PROBLEMS] This napkin (1) for physiology comprises a napkin body (2) having a liquid absorbing layer (22). A three-dimensional structural part (3) is formed on the skin side surface of the napkin body (2). The three-dimensional structural part (3) is formed of an airlaid nonwoven fabric and a liquid permeable sheet, and compression parts (37) extending upward are formed on the airlaid nonwoven fabric. The three-dimensional structural part (3) is fitted to the groove of a human body to effectively prevent the menstrual blood from leaking rearward in sleeping.</p>
