A magnetic recording medium comprising; a nonmagnetic support; a first
under layer which is constituted by a nonmetal element, per se, a
compound consisting of nonmetal elements, or a compound containing
titanium and a nonmetal element; a second under layer containing at least
one element selected from the group consisting of chromium, titanium,
iridium, platinum, palladium, ruthenium, rhodium, rhenium and osmium; and
a magnetic layer which contains a ferromagnetic metal alloy containing at
least cobalt, platinum and chromium, and a nonmagnetic compound, in this
order.