2. Find "Epidemic Prevention Health Information Code Service" in the middle interface, click to enter, and click to get it immediately.
3. Enter the binding real-name authentication, enter the name and ID card information, identify any one, reflect or read, click the small white box, check agree, and then start the authentication.
4. Click Agree. Next.
5. The green code is displayed at last, indicating that there is no exception. If it is orange, it needs to be written off manually. If it is red, it means that it is abnormal and may be a risk group.
6. The next communication travel itinerary code is similar in operation. Enter "Communication travel itinerary Card" in the WeChat search bar.
7. Click in and enter my mobile phone number with me.
8. Click Query, and a dynamic travel card with mobile phone number and places you have been will appear. This data is the big data provided by the mobile phone positioning information of the three major operators.