Decorative line covered by metallic film and producing method thereof

The invention provides a decorative line which coats metal films and a manufacturing method thereof and includes the following steps: a modeling substrate is preheated after being decontaminated and dusted and being coated with a surface affinity agent; a flexible metal film is coated with a hot-melt adhesive after being dusted and preheated; the metal film coated with the adhesive is rolled and coated with a modeling roll wheel on the surface of the modeling substrate on one surface of the surface affinity agent and the health is preserved. The decorative line made with the method is characterized by metal texture, high bonding strength, hydrolysis resistance, non-reversibility, weather resistance, and the like, and improves the texture grades of the decorative line.