The present invention relates to a film for an inner tire liner and to a method for manufacturing same, wherein the film comprises: a base film layer including a copolymer or a mixture of a polyamide-based resin and a polyether-based resin; and an adhesive layer including a resorcinol-formalin-latex (RFL)-based adhesive. The film of the present invention has low shrinkage characteristics when elongated at a high temperature and cooled at room temperature.