Abstract: A decorating method includes the steps of coating a base material with a coating composition comprising 45-95 parts of urethane methacrylate, 1-50 parts of a compound having at least an intra-molecular radical polymeric double bond, and 0.1-15 parts of photopolymerization initiator. The coating is hardened to form an under coat. Vacuum deposition of indium and/or tin in a crystalline structure-independent way is performed to form a non-conductive thin film. Then, a UV-hardening resin, poly acrylic-urethane resin, or acrylate-silica resin is applied, which is hardened to form a hard coat layer.