<p>Disclosed is a surface porous film which is suited as a base film for printing such as offset printing and for ink-jet recording. The surface porous film of the present invention comprises a plastic base film; and a porous layer formed on at least one of the surfaces of said plastic base film, said porous layer having a peak pore diameter of 0.06 - 2.0 mu m and an undulation index of 0.035 - 0.3 mu m.</p>
