open-bag ready-to-eat food. With the improvement of people's living standards, more and more people begin to pay attention to healthy diet. In the fast-paced modern life, ready-to-eat food has become the first choice for many people. Ready-to-eat food refers to the food that can be eaten directly without heating or processing, that is, the food that is ready to eat when the bag is opened. These foods are usually specially treated and packaged to ensure their taste and shelf life. The advantages of ready-to-eat foods are convenience and quickness, which can save time and energy. At the same time, the packaging of ready-to-eat food is more portable and can be eaten anytime and anywhere. In addition, the taste of ready-to-eat food is also richer, which can meet the taste needs of different people.