ELECTRIC VEHICLE FLOOR STRUCTURE

In the present invention, a floor structure of an electric vehicle comprises a battery unit (1) arranged between front wheels (FW) and rear wheels (RW) underneath a floor of a passenger compartment, and an underfloor panel (3) that covers an entire bottom surface of the battery unit (1) from below. The underfloor panel (3) is provided with a center panel (3C) comprising a noise absorption material and arranged at a lateral-direction center and a longitudinal-direction center of the underfloor panel (3), and a surrounding panel (3F, 3R, 3S) comprising a high-strength material and arranged around the center panel (3C).