A non-combustion flavor inhalation apparatus has a flavor generating body for imparting flavor to an air current that enters from one end and exits from another end, an inhalation unit for a user to use for inhalation and disposed on the other end, a heat source for generating heat by means of an oxidation reaction and for raising the temperature of the flavor generating body, and a casing for holding the flavor generating body, the inhalation unit and the heat source, wherein the casing contains an air adjustment mechanism capable of reversibly changing the contact area of the heat source and the air used for the oxidation reaction.