In this era of ubiquitous smart devices, smart phones, smart TVs, smart watches, etc., are all things we often use in our lives, and smart devices are not only these, self-service ticket vending machines are also one of them. Picture: If the self-service ticket machine is a smart device? In the words of the public, it is to help people communicate well with machinery, and it is easy to operate and has no barriers. For example, smart phones do this. The protagonist in this article and the mobile phone are quite different, but they have one thing in common. They both help humans provide a convenient and fast life. In fact, everyone is not unfamiliar with the self-service ticket machine. You can use it or see it when you buy tickets at stations, scenic spots, and theaters. Why do people use it? Because it is fast, there is no need to wait in line. At present, the market for self-service ticket vending machines is also in full swing. Its research and development has solved the problem of long-term ticket purchases in a large program. Scenic spots in some areas use it to replace personnel ticket sales because of its low maintenance cost and small footprint. , The same cost is much higher than the cost-effectiveness of labor, and the ticket sales can be completed excellently.