The specific method to book a table using "Meituan" is as follows:

1. Open the "Meituan" APP on your mobile phone and click on the "Food" option above.

2. Find the "Preferred Table Reservation" option at the top of the page and click it.

3. Select the number of people who need to dine, the time period and whether a private room is required.

4. Enter the restaurant selection page, browse to find the restaurant you want to go to, and click "Reserve".

5. Reconfirm the number of diners, dining time period and private room status.

6. After selecting, click "Reserve Now" in the lower right corner and go to the restaurant at the appointed time.