As of 2022, Haidilao had around 1,300 restaurants in China, Hong Kong, Macau, with its overseas unit, Super Hi International, running 97 outlets around the world, including in Singapore, Thailand, Taiwan, Vietnam, Malaysia, South Korea, Japan, Australia, the UK, Canada and the United States.

[6] In Mandarin, haidilao can be translated as deep sea fishing, or literally "scooping the bottom of the ocean.

[9][10] In March 1994, a then unknown restauranteur Zhang Yong opened the first Haidilao hot pot restaurant along with three other founders with 8,000 Yuan in Jianyang, Sichuan Province.

[13] In response to the COVID-19 pandemic, Haidilao closed all stores in mainland China on January 26, 2020, to decrease the spread of the virus.

[15] In 2021, as part of an expansion plan, Haidilao opened 421 new restaurants, but it also closed 276 in an effort to improve the operations and profitability of existing stores.

[18] This restaurant relies on Panasonic's robotics and image recognition technology to achieve full automation of the kitchen.

[18] After the customer orders the food with tablet computer (iPad), the system in the kitchen can automatically recognize the dishes and puts them into the tray.

[25] Founded as a privately held company, Haidilao International Holding Ltd. filed to launch an initial public offering (IPO) in Hong Kong in 2018, aiming to raise up to US$700 million for further expansion.

[21][26] As of 2018, Haidilao's IPO price of 17.80 Hong Kong dollars a share makes its market capitalization $12 billion.

[33] Every Haidilao restaurant has a waiting room for customers, some of which offer additional services such as nail salon or children's play areas.

[19] Additional free before-meal services and amenities include a car wash, fruits, snacks, drinks, and board games.

[29] During the meal, staff offer diners aprons and mobile phone bags, and provide small hairpins for long-haired customers.

From 2008 to 2012, it won the title of “Top 10 Hot Pot Restaurants” by the public comment website for 5 consecutive years in China.

From 2007 to 2018, the hot pot restaurant won the "China Top 100 Catering Companies" for 12 consecutive years.