Scanning the trip code will show information about where everyone has been in the last 14 days.

"Communication big data itinerary card" analyzes the "cell phone signaling data" , obtained through the user's cell phone is located in the base station location, signaling data collection, transmission and processing process automation, with strict security and privacy With strict security and privacy protection mechanism, the query results are available in real time, convenient and fast. The data of the "communication big data itinerary card" can be used nationwide.

The data can be used to provide comprehensive coverage of the entire country, as well as access to the international itineraries of the domestic cell phone number of the user. These will provide scientific and accurate technical support for epidemic prevention and control, resumption of work and production, road access, and entry and exit under the premise of ensuring user information security.

Need to know:

Communication big data itinerary card is by the China Academy of Information and Communication Technology in conjunction with China Telecom, China Mobile, China Unicom, three basic telecom enterprises to use cell phone signaling data, through the user's cell phone is located in the location of the base station to obtain, for the country's 1.6 billion mobile phone users to provide free query services. Cell phone users free query service, cell phone users can use the service, query my first 14 days to all the cities and municipalities information.

From 20:30 on January 8, 2021, the trip card will no longer mark the names of cities and municipalities containing medium and high-risk areas in red, and will change to include medium and high-risk areas in the parentheses after the name of the city, with the note only serving as a travel reminder and not related to health status. on March 30, the national government service platform "epidemic prevention and health code" has integrated the "epidemic prevention and health code" with the "health code". "has integrated" communication big data trip card "related information, can be displayed in the health code of the user.