The food industry is developing rapidly and there are different kinds of snacks, of which buns are common in everyday life, while guan has always had a high reputation, and now both work and older children like guan. Currently, companies are engaged in product research and development, marketing and chaining, and there are now a number of chain shops, each with the same marketing programme, business model and brand image, giving customers a good sense of branding. Moreover, companies will have specialized technical research and development teams, new products will be developed every year, and tastes will be available to suit market demand, not only to support and upgrade the technology of new products for chain stores, and to allow the type of buns produced by chain stores to satisfy consumer preferences. There are now a wide variety of buns and special tastes, such as pork pies, beef pies, green mushrooms, etc., and porridges, spicy soup, etc., to meet the needs of customers, while the caterer's buns are very fast, the workers in the store are divided into jobs, with specialized buns, and the buns are thin, and their skins are large, giving customers a visual feeling. At the same time, each package contains high-quality raw materials, various nutrient-based processes, which allow customers to absorb higher nutrients. The sales of each chain store are constantly increasing, thus boosting the volume of the product. At the same time, the store also offers various packages, each with a very high level of concessional activity, which reduces the amount of money and, for a large number of people, a relatively low level of good food experience. There are many entrepreneurs who have seen the development of the project, who currently require low-cost alliances, and who provide free training services that will provide entrepreneurs with a continuum of training that will enable them to easily master production techniques, business experiences, etc. In a short period of time, thereby rapidly driving the performance of the door shop。