Guiyang Big Data Exchange mainly combines online and offline with each other through the self-developed big data trading electronic system to summarize customers for big data trading and promote the circulation of data; at the same time, it regularly evaluates the supply and demand of data to regulate the behavior of data trading, maintains the order of the data trading market, and protects the legitimate rights and interests of all parties involved in data trading, and provides the society with a complete set of data trading, settlement, delivery, safety and security, data asset management and financing and other comprehensive supporting services, as well as value-added services such as big data cleaning, modeling and analysis services, big data targeted procurement services and big data platform technology development.

Transaction data is based on the underlying data, through the data cleaning, analysis, modeling, visualization out of the results, completely solved the data transaction how to protect privacy and data ownership issues. Transaction data is mainly government data, financial data and internet data after cleaning and modeling. At present, there have been Jining, Ningxia, Wuhan, Suzhou, Guiyang and other governments have opened the government data public account.