Abstract: A gas ejection nozzle device includes a casing, a gas inlet channel extending into a gas ejection channel which has an internal shoulder for forming a larger space than a space of the gas inlet channel, both gas inlet and ejection channels being disposed in the casing, and a dispersing member, disposed in the gas ejection zone, having an aperture for passing the gas and a screwed surface for widely dispersing the gas whereby the gas ejection nozzle device provides to make an ignition easily and stabily maintain the flame of the gas cigarette lighter.