1. Set the invoice information in the Meituan takeaway background: log in to the Meituan takeaway background, find the invoice management in the merchant center, my store and settings, select to issue an invoice, fill in the relevant information and save it.

2. Add invoice information to the order: After receiving the customer's order, add invoice information in the remarks column of the order page, including invoice header, tax number and address information.

3. Waiting for the invoice to be issued: After submitting the order, you need to wait for the Meituan takeaway platform to issue the invoice and send it to the customer.