Enter Nanjing health code to find Nanjing health code service. Select the add-on card and click Unbind. Finally, at the prompt to release the supplementary card, click OK to finish unbinding.
Enter my Nanjing, find the medical insurance service, enter the personal center, and click Unbind to unbind. My official version of Nanjing app is a software platform that provides online services for Nanjing users. It aims to build a localized service software.