"Aluminum foil lunch box" is a disposable aluminum lunch box. It is a new type of catering delivery container. Compared with lunch boxes made of other materials, it has the characteristics of light material, high barrier properties, UV resistance, moisture resistance, anti-corrosion and long shelf life. Aluminum can better maintain the freshness and moisture of food, which is more in line with modern people's environmental protection and health concepts. At present, aluminum foil lunch boxes are mostly used for the retail of aviation food, cake food, and the packaging of finished food in the takeaway industry such as supermarket roast chicken.