An electrophotographic photosensitive member which comprises an aluminum substrate having an aluminum oxide film at its surface, and, formed sequentially on the substrate, an intermediate layer and a photosensitive layer which contains a photoconductive material, wherein the intermediate layer contains from 5 to 20 wt % of a photoconductive material and has a thickness of from 0.5 to 5 .mu.m, and the resistivity of a laminate of the aluminum oxide film and the intermediate layer is from 10.sup.9 to 3.times.10.sup.10 .OMEGA./3.14 cm.sup.2 when a DC voltage of 20 V is applied.