AN AEROSOL INHALATOR HAS AN AEROSOL GENERATION PASSAGE EXTENDING FROM AN AMBIENT AIR INLET (2) TO A MOUTHPIECE (4), A LIQUID SUPPLY DEVICE (18) FOR FEEDING A PREDETERMINED AMOUNT OF A SOLUTION TO A FEED POSITION (A) IN THE PASSAGE (6), A CERAMIC HEATER (12) FOR HEATING THE SOLUTION CONVEYED FROM THE FEED POSITION (A) TOWARD THE MOUTHPIECE (4) WITH A DRAWN-IN FLOW OF AIR CREATED IN THE PASSAGE (6) BY A USER’S SUCKING ACTION, THEREBY CAUSING THE SOLUTION TO EVAPORATE AND TURN INTO AN AEROSOL IN THE PASSAGE (6), AND A PROTECTOR PROVIDED AT LEAST EITHER AT A LOCATION NEAR THE FEED POSITION (A) OR AT A LOCATION BETWEEN THE FEED POSITION (A) AND THE LIQUID SUPPLY DEVICE (18), THE PROTECTOR HAVING AT LEAST ONE OF A RADIATION COVER (2), A COOLING DEVICE (21) AND AN OPEN-CLOSE VALVE (22) FIGURE 1.