PROBLEM TO BE SOLVED: To provide a composition that allows for, after performing sterilization or bacteriostasis of microorganisms attached to a material, suppression of the growth of microorganisms in that material on a continuing basis without change.SOLUTION: A liquid composition for sterilization or bacteriostasis is provided that contains (A): 0.05 mass% or more of at least one selected from the group consisting of capric acid monoglyceride and caprylic acid monoglyceride, (B): 0.17 mass% or more of at least one selected from the group consisting of ultraphosphoric acid and phytic acid, and (C): 0.01 mass% or more of lactic acidy, and the liquid composition has a pH of 3.3 or less.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】素材についた微生物を殺菌又は静菌した後、そのまま継続的に該素材における微生物の増殖を抑えることを可能にする組成物の提供。【解決手段】(A):カプリン酸モノグリセリド及びカプリル酸モノグリセリドからなる群より選択される少なくとも1種を0.05質量%以上、(B):ウルトラリン酸及びフィチン酸からなる群より選択される少なくとも1種を0.17質量%以上、(C):乳酸0.01質量%以上、を含有し、pH3.3以下である殺菌又は静菌用液状組成物。【選択図】なし