
The present invention relates to a coated film comprising: a polyester film, a coating layer on said polyester film formed by applying a coating solution containing a polymer (A) on the surface of said polyester film, wherein said polymer (A) comprises a copolymer containing a monomer having oxazoline groups, (meth)acrylonitrile, and styrene, then drying and stretching the film, and a overcoat layer on said coating layer formed by applying an aqueous coating solution.











