A thin film polymer structure having a functional substance on the face (A surface) and reverse face (B surface) of the film, obtained by the steps of:(a) causing polyfunctional molecules to adsorb to an area of an arbitrary shape in an interface between a substrate body and a liquid phase(b) polymerizing and/or crosslinking the adsorbing polyfunctional molecules to form a polymer thin film(c) bonding a functional substance to the A surface of the formed thin film and then(d) forming a soluble support film thereon exfoliating the thin film and the soluble support film from the substrate body(e) bonding to the B surface of the thin film a functional substance identical to or different from the abovementioned functional substance and then dissolving the soluble support film with a solvent.
