The trip card has been taken offline and there is no way to take another screenshot without one. The big data of communication trip card, commonly known as the trip code. Is by the information China Institute of Information and Communication jointly with 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 the query service, on March 6, 2020 on-line. Cell phone users can use the service to query all the information of the cities and municipalities that I have visited in the previous 14 days. on March 30, 2021, the national government service platform epidemic prevention health code has been integrated with the communication big data trip card related information, can show the user in the health code, whether it has been to the medium and high-risk areas and other trip information, to help the health code a code to pass. in September, in order to help the masses to travel safely, the national government service platform to health code and trip code integration one page can be checked, the health code and trip code integration one page can be checked. In September, in order to help people travel safely, the national government service platform integrated the health code and trip code into one page to be checked.2022 June 29, canceling the communication trip card asterisk mark.7 July 8, the communication trip card query time range from 14 days to 7 days to be adjusted. According to the relevant requirements of the State Council's Joint Prevention and Control Mechanism Comprehensive Group, from 0:00 on December 13, 2022, the communication itinerary card service is officially offline, and the China Information and Communications Technology Institute has synchronized the deletion of all data related to the itinerary card in accordance with relevant laws and regulations, so as to effectively safeguard the security of personal information.