This invention provides a manufacturing method of a steam generating unit 1 for a non-combustion type flavor inhaler 2 which generates steam by heating liquid. The method includes a support providing process which provides a wick support 11 to a manufacturing line 27 of a steam generating unit 1; a wick providing process which provides a wick 12 to the wick support 11 and disposes it on the wick support 11, after the support providing process; a holder providing process which provides a wick holder 13 to the wick support 11 and assembles it to the wick support 11, after the wick providing process; and a heater providing process which provides a heater 14 to the wick holder 13 and assembles it to the wick support 11, after the holder providing process.本發明提供一種藉由加熱液體來生成蒸氣的非燃燒型香味吸嚐器2所使用的蒸氣生成單元1的製造方法,該製造方法包含:支持器供應步驟,係對蒸氣生成單元1的生產線27供應芯部支持器11;芯部供應步驟,係在支持器供應步驟之後,向著芯部支持器11供應芯部12並將前述芯部配置在芯部支持器11;保持具供應步驟,係在芯部供應步驟之後,向著芯部支持器11供應芯部保持具13並將前述芯部保持具組裝在芯部支持器11;以及加熱器供應步驟,係在保持具供應步驟之後,向著芯部保持具13供應加熱器14並將前述加熱器組裝在芯部支持器11。