No.

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 be used through the service, to query the information of all cities I have visited in the previous day. I have been to all the cities and towns in the previous 14 days.

From February 13, 2020, the service provided by the three major carriers to check the itinerary by SMS has covered more than 200 million users.

February 29, 2020, the SMS query was upgraded to a code scanning query and a unified web query portal was provided.

Beginning March 6, 2020, the function of inquiring about places visited outside China was launched on the "Communications Big Data Itinerary Card", which can check information about countries or regions outside China visited by cell phone users in the previous 14 days, and can promptly detect problems of concealment, omission and inaccurate declaration of itinerary information.