1. Follow the official account or mini program of the region where the electronic health card belongs on WeChat.

2. In the official account or mini program, find the electronic health card or health card-related function module and click to enter.

3. Enter the card number or QR code information of the electronic health card to log in.

4. In the personal center or personal information page, find the information that needs to be modified, such as name, ID number, mobile phone number, etc.

4. Submit the modification application according to the system prompts.

5. Wait for the review and modification application to be approved.