An optical recording medium (OM1 or M2) of the present invention is a lamination body having two light transmissive substrates (1 and 2 or 1' and 2') not less than 50 µm in thickness and an optical information recording layer (3 or 3') not less than 100 µm in thickness that is provided between the two light transmissive substrates and is comprised of an optical recording material where information is recorded by recording light, wherein a side edge portion of the lamination body is covered so that edges of the light transmissive substrates and the optical information recording layer are not exposed.