A purpose of the present invention is to provide an antibacterial solution that has a high temporal stability without showing sedimentation and caking of solid components and, when formed into a film, that can maintain antibacterial properties in a stable manner. Another purpose of the present invention is to provide an antibacterial film formed from the antibacterial solution. Still another purpose of the present invention is to provide a spray and a cloth containing the antibacterial solution. The antibacterial solution according to the present invention comprises fine particles of an antibacterial agent, a binder, and a solvent, wherein: the fine particles of an antibacterial agent contain a silver-carrying inorganic oxide； the binder contains at least one kind of compound having siloxane bond； the solvent comprises an alcohol and water； the solid concentration is less than 5 mass% relative to the total mass of the antibacterial solution； and the content of the compound having siloxane bond is 60 mass% or more relative to the total solid content of the antibacterial solution.
