1. Open the Meituan takeaway crowdsourcing APP and click "My" to enter the personal center page.
2. Click the "My Profile" button to enter the profile page.
3. On the profile page, find the column of "Health Certificate" and click Enter.
4. According to the page prompts, choose to upload your health certificate. You can choose to take photos and upload them, or you can choose existing health certificate photos.
5. After the upload is successful, the system will review it. After the approval, the order can be delivered normally.
The above steps should help you successfully upload the health certificate specially sent by the US delegation to the rider. If you have any other questions, please keep asking.