Exhibition with a specific theme refers to the gathering and exchange activities of many people around a specific theme in a specific time and space. In a narrow sense, exhibitions only refer to exhibitions and conferences; Exhibition in a broad sense is the general name of conferences, exhibitions, festivals and exhibitions related to various industries. Conferences, exhibitions, expositions, fairs, fairs, exhibitions, etc. Are the basic forms of exhibition activities, and the World Expo is the most typical exhibition activity. At present, the domestic exhibition industry chain has been quite perfect.