Provided is an absorbent article comprising a surface sheet (1), a reverse-side sheet (2), and an absorber (3), and having a longitudinal direction (Y) spanning from a lower abdominal side section of a person during wearing to a back side section via crotch section, and a width direction orthogonal to the longitudinal direction (Y), wherein: the surface sheet (1) has a hollow section and an uneven surface not involving embossing on a skin-side surface and an absorber-side surface at least one left/right pair of leak-proof grooves (6) partially recessed to the absorber (3) from the surface sheet (1) are disposed on the surface sheet (1) the leak-proof grooves (6) are a structure having a compact section (7) that is recessed in a state where the surface sheet (1) and the absorber (3) are in an integrated and compacted state and the left/right pair of leak-proof grooves (6) have an undulating shape extending respectively in the longitudinal direction (Y), as seen in plan view, of the surface sheet (1).一種吸收性物品,其包含正面片材1、背面片材2及吸收體3,且具有自穿著時之穿著者之下腹側部經由胯下部遍及背側部之長度方向Y、及與長度方向Y正交之寬度方向X,且正面片材1係於肌膚側面及吸收體側面包含不伴有壓紋部之凹凸面與中空部,於正面片材1上配置有至少左右一對自正面片材1朝吸收體3局部凹陷而成之防漏槽6,防漏槽6係包含上述正面片材與上述吸收體以一體之壓密狀態凹陷而成之壓密部7的構造,且上述左右一對防漏槽6係於俯視正面片材1時分別具有沿長度方向Y延伸之波形狀。1‧‧‧正面片材2‧‧‧背面片材3‧‧‧吸收體4‧‧‧旁側片材5‧‧‧側翼部6‧‧‧防漏槽9‧‧‧外周密封部10‧‧‧經期衛生棉11A‧‧‧凹凸面11B‧‧‧凹凸面C‧‧‧排泄部對應區域C1‧‧‧受液區域F‧‧‧前方部L‧‧‧寬度方向中心線R‧‧‧後方部X‧‧‧寬度方向Y‧‧‧長度方向Z1‧‧‧肌膚側面Z2‧‧‧吸收體側面
