1. Open WeChat, click the search icon above, enter "Haidilao" in the search box, and select the official entry of Haidilao hot pot in the search results.

2. On the official WeChat page of Haidilao, select the restaurant you want to book and set the specific details of ordering, such as the number of people and the meal time. Click the Reservation button.

3. In the pop-up window, confirm the reservation information, including the number of people dining and the reservation time.

4. Tick and agree to the relevant agreement, and click the "Book" button to complete the reservation of Haidilao New Year's Eve.