<p>A disposable diaper having a means for preventing contact between excrement and the skin. A disposable diaper (1) has a body covering section (2) and a body liquid absorbing section (3). The body liquid absorbing section (3) comprises a block (21) of body liquid absorbent material, and a liquid-permeable sheet (25) by which the block (21) covers a surface opposed to the skin of the diaper wearer. The diaper (1) is provided with a plurality of cross members (31) extending across the body liquid absorbing section (3) and opposed to the liquid-permeable sheet (25). The cross members (31) are joined at the opposite ends (33a) thereof to the diaper (1) in the vicinity of the lateral edge (22) of the body liquid absorbing section (3), and the portion between the opposite ends (33a) is in non-joined relation to the liquid-permeable sheet (25).</p>