A recording method comprising the step of recording medium information including medium identification information, said medium identification information including user identification information that is accessible by a user, in at least any one of a lead-in region, a recording region, and a lead-out region of a recording medium, said recording medium comprising a disc substrate in whose one surface a plurality of irregular patterns based on information is formed, a reflection film formed on the one surface of the disc substrate, and a protection film for protecting this reflection film as well as the lead-in region, the recording region in which the above-mentioned information is recorded, and the lead-out region.