The present invention is to provide a gas mist inhaler making use of physiological actions of carbon dioxide or oxygen, which is simple in a structure and excellent in effects. The gas mist inhaler is composed of a gas mist inhaler which comprises a gas supply means 11 for supplying oxygen, carbon dioxide, otherwise a mixed gas (called as "gas" hereafter) of oxygen and carbon dioxide a first and a second liquid supply means 21A, 12B for supplying a first and a second liquids a gas mist generation means 31 for generating a mist (called as "gas mist" hereafter) which is prepared by pulverizing and dissolving the gas, the first and the second liquids an inhalation mask 71 having an inhalation port 72 for inhaling the generated gas mist into a living organism a liquid circulation means 41 where the liquid collected in the gas mist generation device 31 is again supplied under pressure into the gas mist generation device 31 and the above mentioned gas mist is inhaled into any one or both of an upper air way or a lower air way of the living organism.
