Communication big data itinerary card record 14 days full trip on March 25, the State Council Joint Prevention and Control Mechanism on the new generation of information technology to help the prevention and control of epidemics, the resumption of production and small and medium-sized enterprise development of the situation held a conference, the Ministry of Industry and Information Technology Information and Communication Management Bureau Director Han Xia, in order to meet the resumption of work and production of the itinerary of the flow of people to meet the needs of the inspection, the Ministry of Industry and Information Technology has organized the China Information Communication Research Institute and China Telecom, China Mobile, China Unicom three basic telecom enterprises in the communication of big data analysis based on the launch of communication big data itinerary card services.

Big data refers to those data sets with particularly large data volumes and complex data categories, which cannot be transferred, managed, and processed with traditional databases, and are massive, high-incremental, and diversified information assets that require new processing modes to have stronger decision-making, insight discovery, and process optimization capabilities.