NOVELTY - Polyester adhesive comprises polyester resin component, bifunctional epoxide and isocyanate component, where 50-100 mol.% of ester bond in the main polymer chain of the polyester resin is from the ester bond of aromatic carboxylic acid, and 0-50 mol% of ester bond is from the ester bond of aliphatic carboxylic acid or cycloaliphatic carboxylic acid. The atomic group between the ester bonds in the main polymer chain contains more than 3 carbon atoms. The number-average molecular weight of the polyester resin is 5000-35000.    USE - The polyester adhesive is useful for film shape laminated product which is used as protective film for back-side of solar cell, and for semiconductor integrated circuit material, flat cable material, bus rod material and laminated gluing steel plate material (all claimed).    ADVANTAGE - The polyester adhesive and the film shape laminated product have excellent hydrolysis resistance, long service life and higher reliability.    DETAILED DESCRIPTION - Polyester adhesive comprises polyester resin component, bifunctional epoxide and isocyanate component, where 50-100 mol.% of ester bond in the main polymer chain of the polyester resin is from the ester bond of aromatic carboxylic acid, and 0-50 mol% of ester bond is from the ester bond of aliphatic carboxylic acid or cycloaliphatic carboxylic acid. The atomic group between the ester bonds in the main polymer chain contains more than 3 carbon atoms. The number-average molecular weight of the polyester resin is 5000-35000. The polyester resin component has fusing temperature at 50-200 degrees C. The weight ratio of bifunctional epoxide and polyester resin is 0.1:99.9-30:70. The isocyanate component is enclosed-type isocyanate compound produced by bifunctional isocyanate and/or isocyanate. The weight ratio of the isocyanate component and the polyester resin is 0:100-30:70. An INDEPENDENT CLAIM is included for film shape laminated product, which comprises a film layer and at least one bonding layer formed by the polyester adhesive.