A medicine administering device for nasal cavities includes (a) a medicine accommodating chamber configured to accommodate at once a powdery medicine used in a plurality of administrations; (b) a spray nozzle for spraying the powdery medicine into nasal cavities, the spray nozzle communicating with the medicine accommodating chamber; and (c) a pump for supplying an air into the medicine accommodating chamber and forcing the powdery medicine by the air out of the spray nozzle into the nasal cavities.
