An automobile fuel gas feeding device includes a gasholder (1), a guiding pipe (2), a vaporizing pressure stabilizing regulator (3), a fuel gas nozzle (20), the gasholder (1) is connected with the vaporizing pressure stabilizing regulator (3) through the guiding pipe (2), the vaporizing pressure stabilizing regulator (3) is connected with the fuel gas nozzle (20) through a guiding pipe (29). The utility model combines the heating device and the automatic pressure regulating device into a vaporizing pressure stabilizing regulator which is simple in structure, good in vaporizing effect and realizes the non-frosting phenomenon, the gas conducting fluency, the complete combustion, the strong dynamic, the good pressure stabilizing effect and the stable running of the engine; the fuel gas nozzle of the utility model is simple in structure, good in spraying effect and realizes the active accurate gas-giving.