An automotive vehicle floor mat M to be laid on a foot space of a driver's seat, characterized in that retainer holes to be retained at retainer pins implanted on a vehicle floor side, are provided at two positions at a predetermined interval near a rear edge portion of the mat, a first retainer hole of the two position retainer holes is provided on a right rear side of the mat and in the vicinity of a rear extension portion of an accelerator pedal, a second retainer hole is provided on a rear extension portion of a brake pedal and rather on a center side of the mat than the first retainer hole, a retainer member having a rigidity is provided on an inner edge of each retainer hole, and a thickness of the retainer member is smaller than a height of the retainer pins.