2. Click the "Epidemic Prevention Travel Card" on the homepage and confirm to change it to the mobile phone number with the same health code to get your own travel code.
3. Enter the changed mobile phone number, click "Get Verification Code", click "Agree and authorize the operator to inquire about the information of the places I have been during the 14 epidemic", and then click "Inquire".
4. Get your own big data travel card, and the places you arrived or passed in the previous 14 days will be displayed below the card. Here are the steps to change the travel card to a mobile phone number with the same health code.