Project of the invention is to realize a kind of absorbent commodity, has excellent water imbibition and deodorization properties. Absorbent article (100) according to the present invention has backboard (30), top layer (20), and absorber (10) is arranged in backboard (30) and top flat (20) Absorber (10) includes that phosphorylated cellulose fibers have phosphate or from phosphate substituent group.