In recent years, various express hotels have appeared in front of people, and express hotels are gradually recognized and selected by more and more people. As a hotel serving many customers, the most important thing is the word 'fast'. Customers can't bear to wait more than half an hour or even longer for hotel check-in. Over time, it has an impact on the hotel’s reputation and reputation, but for hotels with self-service check-in machines, such things rarely happen. Faced with the problem of poor service, it has always been the way hotels want to solve it, and it should be even more so in this service-oriented era, so it is imperative to improve the service efficiency of hotels. Then, the hotel self check-in machine can play a role. The hotel self check-in machine can replace the service staff to check in and check out for customers. Customers can do it independently through the check-in machine, fast and convenient, and experience the great convenience that the self-service machine brings to life in the process of good human-computer interaction.