Abstract: A smoke and toxic gas suction removal-type firefighting nozzle device is disclosed. The smoke and toxic gas suction removal-type firefighting nozzle device includes a spray head configured to receive water supplied from a fire hose and spray the water forward through an inner passage, the spray head having a plurality of intake holes that opens the inner passage to the outside, and a gas introduction guider embedded in the spray head and configured to guide an inlet gas flowing into the spray head through the intake hole by the Venturi phenomenon implemented by the sprayed water such that the inlet gas is mixed with water.