What is the QR code prompted by the itinerary information?

The two-dimensional code prompted by the travel information is the two-dimensional code in the communication travel card, also known as the travel code.

The itinerary code is a two-dimensional code, which records the itinerary by querying my medical information during the epidemic 14 days in the background of China mobile phone operators. This inquiry service is mainly aimed at mobile phone users in China. Domestic travel itinerary codes can be accurate to provinces and cities (staying for more than 4 hours), and foreign travel itinerary codes can be accurate to countries. The generation and use of travel codes can help relevant departments to understand the personal travel trajectory, so as to carry out epidemic prevention and control and management.