The cinema self-service ticket sales and taking as a new type of PC input devices, has a solid and durable, fast response speed, save a space, convenient communication, and many other advantages. Benefits to users, many people use the LCD touch machine instead of the mouse or keyboard. Work, we need to touch display screen positive with fingers or other objects, and then according to the fingers touch the icon or menu to locate the input element. With the aid of these special functions, users can only use finger to touch the pictures on the computer screen or text to host operating, which makes the machine in the interaction more intuitive directly, this ability is greatly beneficial to don't understand user PC operation. This kind of human-computer interaction, self-service ticketing terminal has brought many television new look, is a very wonderful new multi-channel interaction equipment.