Abstract: The present invention provides a resin composition which has an infrared ray-blocking ability with excellent moist heat resistance while maintaining high transparency. The resin composition of the present invention contains, relative to (A) 100 parts by weight of a polycarbonate resin (component A), (B) 0.0001 to 0.2 part by weight of composite tungsten oxide fine particles (component B) represented by the general formula: MxWyOz (wherein M represents at least one element selected from H, He, an alkali metal, an alkaline earth metal, a rare earth element, Mg, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Al, Ga, In, Tl, Si, Ge, Sn, Pb, Sb, B, F, P, S, Se, Br, Te, Ti, Nb, V, Mo, Ta, Re, Be, Hf, Os, Bi, and I, W represents tungsten, O represents oxygen, 0.001?x/y?1, and 2.2?z/y?3.0), (C) 0.0001 to 0.1 part by weight of an epoxy resin (component C), and (D) 0.001 to 0.