If you want to add a family health code, the steps are as follows: 1. Open the mobile phone health code page and slide down to see that there is a collar. Click generate collar. 2. Click on the representative to go to the next page, and then click Add. 3. Then we input surname, ID number and affiliation (children, spouse, parents) respectively. 4. Click on the camera to upload the applicant's ID photo or household registration book, which must be clear, otherwise the upload will fail. Click confirm to add after shooting. 5. If the application is successful, such an interface will be displayed. Click on it and the applicant's health code will appear. If you want to add it again, repeat the above steps.