The different arrangements and combinations between the steel pattern roller and the steel roller or the soft roller make the metal foil get different pattern effects after passing through, such as single-sided pattern, double-sided pattern, concave-convex pattern, etc.; make the surface of the metal foil more vivid and beautiful, Especially for food packaging, decorative products, etc. It can be used to process aluminum foil strip, aluminum foil paper, tin foil, silver foil, etc.