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).