To enable color alignment even in a small lot, to reduce percent defective to enhance workability, and to reduce the use amount of a solvent.

An ink layer 12a having the same color as a car paint is printed and laminated on a transparent protective film 12b to form a laminated sheet 12, and the ink layer of the laminated sheet 12 is bonded to the single surface of a resin substrate 11 through a hot melt layer 13 to produce a colored raw material resin sheet 10. A protective film is a polyethylene terephthalate or acrylic resin film and the hot-melt layer is based on a thermoplastic resin, and the resin substrate is an ABS resin substrate or a polycarbonate resin substrate. A car trim product is constituted by forming a transparent coating film on the outer surface of a molded object obtained by molding the colored raw material resin sheet 10 so that the protective film 12b is exposed outside.