Combining the definitions of the League of Nations, the United Nations Conference on Travel and Tourism in Rome, and the World Tourism Organization, a tourist can be summarized as a person who visits a non-resident place for any reason other than getting paid and engaging in a certain occupation. Then tourism is the collective name for the behavior of these tourists. In order to serve tourists, tourism has gradually emerged. In a broad sense, tourism refers to a general term for a series of related industries that provide services to tourists. It is aimed at tourists, creating business email list convenient conditions for tourists’ tourism activities and providing comprehensive services and goods they need. industry. Tourist activities mainly include travel, accommodation, food, travel, shopping and entertainment, and related industries include hotels, transportation, catering, tourist attractions, retail and entertainment services. Tourism industry chain: From the beginning to the end of the tourism process, tourists need many industrial departments to provide them with products and services to meet his various needs. Among them: not only include travel agencies, transportation departments, catering, hotels, scenic spots, tourist shops, tourist vehicles and ships, and leisure and entertainment facilities and other core tourism enterprises, but also related to agriculture, gardening, construction, finance, insurance, communications, advertising media, as well as government and Associations and other auxiliary industries and departments. The former constitutes the elements on the chain of the industrial chain, while the latter provides necessary guarantee and support for the dynamic link and normal operation of the industrial chain.