Because of its excellent characteristics, aluminum foil is widely used in food, beverages, cigarettes, medicines, photographic plates, household necessities, etc., usually used as its packaging materials; Electrolytic capacitor material; Insulation materials for buildings, vehicles, ships, houses, etc.; It can also be used as decorative gold and silver thread, wallpaper and all kinds of stationery prints and light industrial products decoration trademarks. In the above various uses, the most effective performance of aluminum foil is as a packaging material. Aluminum foil is a soft metal film, not only has the advantages of moisture-proof, airtight, shading, abrasion resistance, fragrance protection, non-toxic and tasteless, but also because of its elegant silver luster, easy to process a variety of colors of beautiful patterns and patterns, so it is more likely to be favored by people.