The present invention provides an absorber and a disposable absorbent articlewhich prevent deformation of theabsorber due to twisting and have improved absorbing speed. The absorberincludes an assembly at least having assembled fibersand a sheet member. The sheet member is made of a liquid-permeable nonwovenfabric, covering an upper surface and left and rightedges of the assembly, and also covering regions at least in the vicinity ofthe left and right edges on a lower surface of the assembly.The sheet member is adhered to the assembly at least in the vicinity of theleft and right edges on the lower surface of the assembly.
