Household foil is the most common aluminum foil product in people's daily life. It has the advantages of convenient use and beautiful appearance. With the improvement of people's living standards and the acceleration of the pace of life, the way of food supply has changed. There are more and more convenience foods with a long shelf life, and the fresh-keeping effect of aluminum foil products is becoming more and more obvious. Household foil is suitable for food preservation, barbecue, aviation, hotel catering and canteen cleaning. It is suitable for freezing, preservation and baking in food cooking. It can not only avoid the loss of water and nutrition in food, but also isolate high-temperature charcoal fire and smoke. It is a healthy food material.