Prepare your and your child’s household registration books and follow the steps below to start binding your child’s medical insurance electronic voucher:

1. Download the “National Medical Insurance Service Platform” APP, and Activate your own electronic medical insurance voucher through the "National Medical Insurance Service Platform" APP.

2. In the main interface of the APP, click "My" in the lower right corner and click "Add my family members".

3. Enter the "Binding Method Selection" interface, select "Bind using ID number", and click "Confirm".

4. Enter the "Add Family Member Notification" interface. After reading and agreeing, click "I have read and agree". Enter the interface, fill in your child's "name" and "ID card number" and select "Relationship" - "Children" and click "Click to upload a personal commitment letter".

5. Enter the "Generate Personal Commitment Letter" interface, click "Generate Personal Commitment Letter", click "Start Signing", and click "OK".

6. Enter the "Personal Commitment Letter" interface where the signature has been drawn, click "Save and Submit", and click "Save".

7. Return to the "Add Family Member" interface, click "Click to View" to enter the "Personal Commitment Generation" interface, and select the "Personal Commitment Letter" with the completed signature from your mobile phone album.

8. Return to the "Add Family Member" interface, enter the "Photography" interface, take a photo of your personal page in your household register, and use the photo of your personal page.

9. Return to the "Add Family Member" interface, click "Click to upload the bound person's household registration book", enter the "Photography" interface, take a photo of the personal page in your child's household registration book, and use the personal page photo.

10. Return to the "Add Family Member" interface, click "Add Account", and your child's electronic medical insurance voucher will be successfully bound to your mobile phone, and you can use electronic medical insurance.