The utility model discloses thin film photovoltaic solar energy daylighting top curtain, include the steel framework of building on the roof above the well room between two a stone pillar inscribed with buddha's name or buddhist scriptures building, the steel framework comprises the vice frame roof beam of herringbone roof truss, steel girder, steel secondary beam and the aluminium of two steel columns, the double -sided belt slope, the steel column sets up in two adjacent a stone pillar inscribed with buddha's name or buddhist scriptures of the below of steel framework building, the herringbone roof truss of the double -sided belt slope is erected by the steel column, follows herringbone roof truss parallel arrangement has a steel girder more than two or two, with the horizontal cross arrangement of steel girder has the steel secondary beam more than two or two, is provided with the vice frame roof beam of aluminium between two adjacent steel girders, daylighting solar panel has been laid to the steel framework top. The utility model relates to a roof system in the outer sky of building, have daylighting, waterproof, prevent wind, thermal -insulated building outer protective structure's function, guarantee construction safety protection requirement, can absorb solar energy, produce the electric energy, supply the inside electricity generation of building, whole decorative effect is good, and is more harmonious with building collocation, and environmental protection and energy saving.