PROBLEM TO BE SOLVED: To provide a fungus suppressing operation method for bathrooms capable of reducing a running cost while appropriately suppressing proliferation of fungi in a bathroom.SOLUTION: A bathroom heating/drying machine A with a mist sauna function includes: mist spray means F that sprays mist-like warm water to a bathing space K in a bathroom Y ventilation means 10 that exhausts air in the bathing space K to the outside and air heating means U that sucks and heats the air in the bathing space K and then, ventilates the bathing space K. The fungus suppressing operation method for bathrooms suppresses proliferation of fungi in the bathroom Y using the bathroom heating/drying machine A with the mist sauna function includes: performing a mist operation of actuating the mist spray means F for 15-20 minutes and then executing a drying operation for actuating the ventilation means 10 and the air heating means U or a ventilation operation for actuating the ventilation means 10, for 60-120 minutes.COPYRIGHT: (C)2014,JPO&INPIT【課題】浴室内のカビの繁殖を適切に抑制しながらも、ランニングコストの低下を図ることができる浴室用カビ抑制運転方法を提供する【解決手段】浴室Y内の浴用空間Kに温水をミスト状に噴霧するミスト噴霧手段F、浴用空間Kの空気を外部に排出する換気手段10、及び、浴用空間Kの空気を吸引して加熱したのち浴用空間Kに通風する空気加熱手段Uを備えるミストサウナ機能付浴室暖房乾燥機Aを用いて浴室Y内のカビの繁殖を抑制する浴室用カビ抑制運転方法であって、ミスト噴霧手段Fを作動させるミスト運転を、15~20分の間実行し、その後、換気手段10及び空気加熱手段Uを作動させる乾燥運転又は換気手段10を作動させる換気運転を、60~120分の間実行する。【選択図】図1