A coloring method of a tangible matter having a polyamide bond, characterized in that the tangible matter having a polyamide bond is treated with an aqueous solution containing an aromatic derivative having one or more hydroxyl groups and a metal salt at a temperature-of 40 DEG C or more, and a polyamide tangible matter colored by such a method.Disclosed is a method for coloring a corporeal substance having a polyamide bond which is characterized by treating the corporeal substance with a solution containing an aromatic derivative having one or more hydroxyl group and a metal salt at a temperature not less than 40 1/2 C. Also disclosed is a polyamide corporeal substance colored by such a method.