When it comes to touch screens, it has now become the mainstream configuration of some devices. The reason for using it is that it makes some devices easier to operate and has a longer service life. The self-service payment machine produced also uses it. Picture: The self-service payment machine takes the mobile phone we usually use. Now almost everyone’s mobile phone has a touch screen. It not only makes the operation of the mobile phone easier, but also reduces the use of buttons and saves the cost of mobile phone production. The appearance is also beautiful. It is precisely because of its many advantages. For the same reason, the self-service payment machine also chooses to use it, which improves the user's use effect, has a more user-friendly design, and uses a very simple method. At the same time, it is combined with a metal keyboard to make Transactions are more reliable. Part of the credit for the simple operation of the self-service payment machine is also due to the touch screen, which makes our payment more convenient.