The emergence of paper bags is closely related to corporate promotional activities. Paper bags are mobile billboards with low cost and good publicity effect, just like the advertising shirts that can be seen everywhere today. For example, some businessmen printed their own marks, addresses, telephone numbers, and business scope on paper bags one by one to give people an eye-catching display, which played a very good role in publicity. As for gift paper bags and merchandise sales, its intention is self-evident. Paper bags are also a window to reflect people's life consciousness. In the case of increasingly serious environmental protection issues, environmental awareness is also reflected in the design and manufacture of paper bags. For example, a paper bag in a clothing store, an ochre yellow bag, using simple and elegant paper ropes. The paper bags are all made of Kraft paper with a high recycling rate and will not pose a threat to the production environment like plastic bags. This paper bag is very popular.