PROBLEM TO BE SOLVED: To provide a fungicide detergent composition for hard surface exhibiting an excellent antifungal effect on fungal existing in a living environment such as a bath room, and excellent in washability of sebum dirt, and a hard surface treatment method using the same.SOLUTION: There is provided a fungicide detergent composition for hard surface containing (a) a water-soluble inorganic salt [hereafter (a) component] of 0.1 mass% to 5 mass%, (b) a nonionic bactericidal agent [hereafter (b) component] of 0.05 mass% to 7 mass%, (c) a nonionic surfactant, and water, and having total content of the (a) component and the (b) component of 1.5 mass% to 10 mass%, total content of the surfactant of 10 mass% or less and pH at 25°C of less than 12.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】浴室等の生活環境に存在する黴に対して優れた殺黴効果を発揮し、皮脂汚れの洗浄性に優れた硬質表面用殺黴洗浄剤組成物及びそれを用いた硬質表面処理方法の提供。【解決手段】(a)水溶性無機塩[以下、(a)成分という]を0.1質量%以上5質量%以下、(b)非イオン性殺菌剤[以下、(b)成分という]を0.05質量%以上7質量%以下、(c)非イオン界面活性剤、及び水を含有し、(a)成分と(b)成分の合計含有量が1.5質量%以上10質量%以下であり、且つ界面活性剤の合計含有量が10質量%以下であり、25℃におけるpHが12未満である、硬質表面用殺黴洗浄剤組成物。【選択図】なし