Health code The trip big data click verification reason: micro letter small program and other software scanning code verification function, identify the code holder's name, ID number, health code color and other basic information, and the body temperature abnormal information for real-time record reporting.

Communication big data itinerary card, by the China Academy of Information and Communication Technology, China Telecom, China Mobile, China Unicom three basic telecommunications enterprises using 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 cell phone users free of charge to provide query services. Cell phone users can use the service to inquire about all the cities and towns they have visited in the previous 14 days.

Related Information

From 20:30 on January 8, 2021, the trip card will no longer mark the names of cities and towns that contain medium- to high-risk areas in red, and will be changed to include the medium- to high-risk area in the parentheses after the city name.

The health code can be displayed in the user, whether they have been to high-risk areas and other trip information, to help the health code "a code pass". August 5, the State Council Joint Prevention and Control Mechanism held a press conference, the "communication itinerary card" cumulative total of query service of more than 12 billion times, becoming the first time in all parts of the world. The service is more than 12 billion times, become an important means of prevention and control of the epidemic around.