2. Click on the medical health, click on the electronic health card.
3. Enter my electronic health card, and then click Security Settings.
4. Click on Personal Information. Enter a new mobile phone number and click Save.
Resident Health Card (Bank Co-branded Card) is jointly issued by Bank of China and the National Health and Family Planning Commission (hereinafter referred to as "Family Planning Commission"), which has medical and health functions such as resident identification, general hospital treatment, personal basic health information storage, carrying electronic medical records, settlement of the new rural cooperative medical system fund, and bank savings card function.