Haidilao, as a well-known catering brand, provides various payment methods including cash payment for the convenience of customers. This can meet the needs of different customers, especially those who are used to spending in cash. At the same time, accepting cash payment also helps to reduce the inconvenience caused by possible technical failures or network problems in the payment process. Therefore, Haidilao accepts cash payment in order to better serve customers and provide more convenient payment options.