The present invention provides a method for producing atomizing unit comprising: a step A of providing power to a heating element constructed as a part of an atomizing unit for atomizing an aerosol source and has been processed as a heater article, thereby forming an oxide film on the heating element.本發明提供一種霧化單元的製造方法,係具備有:在構成將氣膠源霧化之霧化單元之一部分的發熱體已加工成加熱器形狀之狀態下,對前述發熱體供應電力,藉此在前述發熱體之表面形成氧化皮膜的步驟A。111Q‧‧‧芯體111R‧‧‧霧化部B‧‧‧預定方向I‧‧‧間隔