According to game enthusiasts, the method of changing the mobile phone number of the electronic health card is:
1. Open WeChat, click Me in the lower right corner and select Pay.
2. Click Medical Health on the payment page.
3. Select mine in the lower right corner and click to find the electronic medical insurance card.
4. Select to modify the mobile phone number after input.
5. Enter the new mobile phone number, get the verification code, and click OK to modify it.