An object of the present disclosure is to provide an absorbent body that is both soft and resistant to twisting. The absorbent body of the present disclosure is as follows. An absorbent body for an absorbent article includes thermoplastic resin fibers and cellulose-based water-absorbing fibers, at least some of the thermoplastic resin fibers have a first section 6′ exposed on a surface of the liquid-permeable layer side of the absorbent body, a second section 6″ exposed on a surface of the liquid-impermeable layer side of the absorbent body and a joint section 6′″ connecting the first section 6′ and second section 6″, and the tensile strength in a thickness direction of the absorbent body is 100 Pa or greater.