The group buying method on this platform is as follows:

1. Open the Meituan App and click the "Group Buying" option at the top of the homepage.

2. On the group buying page, you can see a variety of group buying products and services, ranging from food, entertainment, beauty to fitness, travel, etc.

3. Find the group buying items you are interested in by entering keywords or selecting categories.

4. After finding the group purchase item you like, click to enter the details page, select the purchase quantity, and then click "Buy Now".

5. Enter your mobile phone number and get the verification code for payment.

6. After the payment is successful, you will receive a text message notification with the detailed information of the purchased group purchase coupon.

7. Follow the usage rules on the group purchase coupon and use it at the store within the validity period.