1. open meituan App, search for "McDonald's" or click on "takeaway" and "glutinous rice" to find McDonald's.

2. Select the goods to be purchased (such as hamburgers, French fries, drinks, etc.) on the McDonald's page, add them to the shopping cart, pay on the settlement page, and complete the purchase on the payment page.

3. check the McDonald's coupon code on the "order" page, including coupon code, coupon password and other information, and copy the coupon code and other information.

4. Open the McDonald's APP, click "My McDonald's" on the homepage to enter, then select "Coupon", select the coupon purchased by Meituan on the coupon page, and then enter the coupon code and coupon password information as required to complete the use of the coupon.