Driven by the wave of digitalization, the limitations of traditional advertising media are becoming increasingly prominent. Whether it is the static display of paper posters or the high cost of TV advertising, it is difficult to meet the business's pursuit of flexibility, interactivity and cost-effectiveness. In recent years, the vertical LCD advertising machine has rapidly emerged. With its advantages such as Android system, free information release, 4K ultra-high-definition picture quality and high customization, the vertical LCD advertising machine is becoming the "cost-effective king" for business publicity.