Method for peeling off coating film from film with coating film, and device for peeling off coating film

Provided is a method for peeling a coating film, in which a water-soluble resin is dissolved in a short time using a solvent, and the coating film can be peeled off at a high speed from the surface of a coated film having a coating film containing the water-soluble resin. This method for peeling off a film from a film with a film is a method for peeling off a film with a film from a film with a film having a film on at least one surface of a base film, said method comprising: imparting a scratch to the film from the surface of the film with the film, forming a notch or a hole; or imparting a damage to the film from the surface of the film with the film without the film to form a notch to the film or form a hole to the film, then bringing a cleaning solution into contact with the film, and then peeling the film containing the cleaning solution from the film with the film. 提供被膜剥离方法，其中，使用溶剂在短时间内将水溶性树脂溶解，从而可从具有包含水溶性树脂的被膜的带被膜的膜的表面高速地进行被膜的剥离。本发明的从带被膜的膜剥离被膜的方法是从在基材膜的至少单面具有被膜的带被膜的膜剥离被膜的方法，其中，从上述带被膜的膜的有上述被膜的面对被膜赋予伤痕、形