Why do Xianyang City, Shaanxi Province and Xi’an City, Shaanxi Province appear on the itinerary card?

Indicate that you have been to these two places recently.

The Communication Big Data Itinerary Card is a query service provided free of charge to Chinese mobile phone users by the China Academy of Information and Communications Technology, China Telecom, China Mobile, and China Unicom, three basic telecommunications companies, using communication big data[1]. Mobile phone users can Through the service, you can check the information of all the cities that you have visited in the past 14 days.

As of March 25, 2020, the cumulative number of inquiries has exceeded 450 million.

Starting from 20:30 on January 8, 2021, the itinerary card will no longer mark the names of cities and towns containing medium- and high-risk areas in red. Instead, it will mark the names of cities and towns containing medium- and high-risk areas in brackets after the city names. Notes are only used as travel tips and are not related to health conditions.

On March 30, 2021, the national government service platform "Epidemic Prevention Health Code" has integrated information related to the "Communication Big Data Itinerary Card", which can display in the health code whether the user has been to medium- and high-risk areas, etc. The itinerary information is available to facilitate the “one-pass” health code.