chain. According to the consultation of Hakka restaurants, Jiangxi Hakka Hotel is a national chain store. Catering is a food production and operation industry that provides consumers with all kinds of drinks, food, consumption places and facilities through instant processing, commercial sales and service labor. According to the definition of Standard Industry Classification in Europe and America, the catering industry refers to catering service institutions that aim at commercial profit. In China, according to the definition in the Notes on the Classification of National Economy Industries, the catering industry refers to the service activities in which food is cooked, prepared and sold to customers in a certain place, mainly for on-site consumption. Catering industry is an important link to improve people's quality of life, an important way to open up employment channels and revitalize the economy, and it plays an increasingly important role in improving people's lives and realizing the socialization of housework.