1. open meituan app, enter "Coco milk tea" in the home search box, and select the target store in the search results.
2. in the store page, click the "buy now" button.
3. On the next page, select the packages you need to buy, such as drinks packages and dessert packages, and add them to the shopping cart.
4. enter the shopping cart page, confirm the order information and delivery methods, and then click the "submit order" button.
5. in the payment page, enter the redemption code/write-off code of the Coco milk tea group purchase coupon you own in the column of "red envelope deduction/code".
6. after entering, the system will automatically calculate the preferential discount and reduce the corresponding amount.
7. finally, just complete the payment.