To eliminate the clogging of slurry fuel and to obviate the wear of a fuel injection port.

The slurry fuel nozzle 9 supplies slurry fuel 8 to a furnace and burns it and comprises a dispersed air passage 32 having an air injection port 31 for injecting the fuel to the outer periphery of a throttle 24 by distributing high-pressure air 29 to the outer periphery of the fuel passage 23 of a nozzle body 37 formed with a fuel injection port 33 via the throttle 24 at the end of the passage 23 provided therein to so inject the fuel 8 as to enclose it with the air 29.