1. Open WeChat and click the "I" button in the lower right corner.
2. Click the "Service" option in the "Me" page.
3. Click "City Service" on the "Service" page.
4. Click "Medical" on the "City Service" page.
5. Click "Electronic Health Card" on the "Medical" page.
6. Click "View Health Card" and the page will jump to the details page of the electronic health card.
7. Click the "Member Center" option on the details page of the electronic health card.
8. Click "My Health Card" on the "Member Center" page.
9. You can check the ID number of the electronic health card on the "My Health Card" page.
The above are the detailed steps to check the ID number of the electronic health card, and I hope it will help you.