non-combustion type flavor aspirator enters from one side and exits from the other end a flavor-generating material for imparting flavor to the air flow, a mouth portion of a user sucking disposed on the other end side, and a heat source that generates heat to raise the temperature of the flavor-generating material by oxidation reaction, the flavor-generating material, and a casing for holding the mouthpiece portion and the heat source, the casing includes a reversibly changeable air adjustment mechanism of the contact area with the air to be subjected to oxidation reaction with the heat source.非燃焼型香味吸引器は、一端側から入り、他端側から出る空気流に香味を付与する香味発生体と、前記他端側に配置されるユーザ吸引用の吸口部と、酸化反応により発熱して前記香味発生体を昇温させる熱源と、前記香味発生体、前記吸口部および前記熱源を保持するケーシングとを有し、前記ケーシングは、前記熱源と酸化反応に供される空気との接触面積を可逆的に変更可能な空気調整機構を含んでいる。