VEHICLE FLOOR STRUCTURE

A vehicle floor structure includes: a center floor panel; a pair of side sills mounted on both sides of the center floor panel; a plurality of structural members attached to a bottom surface of the center floor panel; and a plurality of seat crossmembers attached to the bottom surface of the center floor panel, wherein each structural member extends in a longitudinal direction of the center floor panel, each seat crossmember extends in a width direction of the center floor panel, and an axis of the structural member is orthogonal to an axis of the seat crossmember.