Food aluminum foil bags have metallic luster, good light resistance, and high reflectivity to heat and light. Metallic luster and reflectivity can improve the brightness of printed colors; aluminum foil bags have high barrier properties and strong oxidation resistance for packaging cooked food products Performance, and the advantages of waterproof and moisture-proof. In terms of performance: good insulation, strong protection, impermeable to gas and water vapor, to prevent moisture absorption and vaporization of the contents, and not easy to be attacked by bacteria and insects. Herein: cooked food products are prone to spoilage. The aluminum foil bag can withstand high temperature, extend the shelf life of cooked food, and protect from light. Therefore, it is just right to use aluminum foil bag to package cooked food products.