The specific method: the application method is offline application, specializing in the service of elderly people over 60 years old, eligible elderly people, can be offline self-service terminal machine to apply for offline code (trip code), the current validity period is 180 days.

You can search for community community affairs acceptance centers or administrative service centers through the accompanying application applet to see the terminal machines that can print paper health codes.

The "itinerary code," also known as the communications big data itinerary card, is used to record your itinerary by using the back office of a Chinese cell phone operator to query information about the places I visited within 14 days during the outbreak, and the query service is mainly for Chinese cell phone users. The results of the trip code query will be marked using the four colors of green, yellow, orange and red, and the rules will be adjusted in real time according to the actual situation.