Government information, geographical information, social life information, scientific research information. According to official website, who inquired about the national data sharing and exchange platform, it gathered open data resources enjoyed by government departments, enterprises, institutions and social organizations at all levels in China, mainly providing government information, geographic information, social life information and scientific research information. The national data sharing and exchange platform was established under the leadership of the Office of the Leading Group for Big Data Work in the State Council, aiming at strengthening data sharing among various departments, improving government efficiency and service level, and promoting national informatization construction.