To provide a fuel rail structure of an LPG vehicle capable of preventing liquefied injection of LPG fuel even without using an additional heating device.

On a fuel rail and in the fuel rail structure of the LPG vehicle connecting an injector with the fuel rail, cross section of the fuel rail has an L-shape, and the fuel rail includes an upper side rail part connected with the injector and a lower side rail part for preventing liquefied injection of LPG fuel, the lower side rail part is positioned at a lower position than a section connecting the fuel rail with the injector, and the upper side rail part constitutes a plurality of bulkheads forming holes to prevent pressure fluctuation in the inside at a predetermined interval.