If there are high-quality food bags, then there must be inferior food bags. In order to reduce costs, some businesses work hard on food bags, thus achieving the purpose of reducing costs. With the increasing pressure of competition, many businesses are thinking about reducing costs in many ways. The consequence of this is that the quality of the product is very poor. If the product packaged in the food bag is used, it will cause great harm to the body. Inferior food bags, some relatively inferior materials will be recycled in the screening of materials, and they are indifferent to whether the food bag materials are environmentally friendly, and whether they are toxic or not is not the main concern. The ultimate goal is to save costs and reduce expenses. In the process of material production, the requirement for the process is to save as much as possible. Therefore, some inferior food bags are not only of poor quality, but also cause great harm to the human body when used. Therefore, in order to protect ourselves, we should choose some high-quality food bags when choosing food bags. It is not advisable to just save a little cost and cause serious damage to our future. At the same time, the use of inferior food bags is also a kind of damage to our image, which reduces our image in the hearts of others.