it is open p>24 hours a day. According to the query of Haidilao network management information, Haidilao is open 24 hours a day. Haidilao, established in 1994, is a large-scale inter-provincial direct catering brand hot pot restaurant, which mainly deals in Sichuan-style hot pot and integrates the characteristics of local hot pots. The full name is Sichuan Haidilao Catering Co., Ltd..