The business scope of big data exchange includes big data asset trading, the design of big data financial derivative data and related services; Development of technologies such as big data cleaning and modeling; Financial leverage data design and services related to big data; Other businesses related to big data transactions approved by regulatory agencies and relevant departments. The Big Data Exchange will provide data futures, data financing, data mortgage and other services for data providers, establish a credit evaluation system for the data of both parties to the transaction, increase the traffic of data transactions, and speed up the flow of data. Data varieties include twelve types of big data: government, medical care, finance, enterprises, e-commerce, energy, transportation, commodities, consumption, education, social interaction and society.