Floor panel structure of a vehicle

In a vehicle in which a driver's seat is provided on a bottom plate 9 and an operating pedal such as a brake pedal 5 is provided in front of the driver's seat, an inclined bottom portion 15 is provided in an area of ​​the bottom plate 9, on which a heel or a shoulder a driver is arranged, which presses the control pedal. This inclined bottom portion 15 tilts with a certain angle of inclination in such a manner that its front portion is positioned at a higher level than its rear portion. A a meeting preventing portion, which consists of a horizontal surface section 16 is provided in front of the inclined bottom portion 15 and provided. This section avoid a clash has an inclination angle which is less than the specified angle of inclination of the inclined bottom portion in order to avoid a clash with the heel of the driver's foot.