In recent years, the hotel industry has risen, and many people follow the wind and want to take a share in the booming hotel industry. Although there are many hotels, there are very few that really satisfy customers. Either the service is poor, the environment is poor, or there is a long wait for check-in and check-out. It is difficult for consumers to make secondary consumption. So as a hotel manager, how to retain customers and increase customer base? The first major improvement is the external hotel living environment, and the second is the service. After all, it is the fundamental, and it is the place where each hotel needs to be improved from the inside. Many customers report that going to the hotel to check in is the most difficult part. Many people want to rest after a tiring day, but the long waiting line is always annoying. This affects the customer's satisfaction with the hotel and lowers the hotel's image and professionalism in the hearts of customers. The hotel's self-check-in machine greatly meets the hotel's requirements for high-quality and high-efficiency services. By operating the self-service check-in machine, customers can complete check-in and check-out services without waiting at the front desk. It is simple and fast. While enjoying the good human-computer interaction process, customers also greatly reduce the pressure on the counter and clear the house Smooth business operations.