Need. According to the query of Sina News official website. Ji 'an Haidilao needs to make an appointment 1 2 days in advance, because there are so many customers every day that there will be no seats without an appointment. Haidilao hot pot brand was founded in 1994. It is a large-scale multinational direct catering private enterprise with Sichuan-style hot pot as the mainstay and local hot pot characteristics.