Advertising machines are mainly used in commercial places such as shopping malls and supermarkets. They can play a variety of advertising content, including images, text, and video. It can also be used in public places, such as schools, hospitals, bus stations, and airports. In addition, it can play a variety of functions such as business introduction, product promotion, and brand promotion. Another application is interactive terminals, which can be used for ordering, ticketing, and payment services.