This method for manufacturing a coating film comprises forming a coating film on a surface of a coating film formation object. This manufacturing method is provided with an electrostatic spray step for electrostatically spraying a composition directly onto the coating film formation object and forming a coating film including a fiber deposit. The composition includes component (a), component (b), and component (c) below. (a): One or more types of volatile substances selected from water, an alcohol, and a ketone. (b): A polymer having coating film forming ability. (c): A liquid agent containing one or more species selected from a polyol and an oil that is liquid at 20°C.
