LED large screens have become synonymous with outdoor advertising. When it comes to outdoor advertising, you will think of outdoor LED screens. It can be seen that the status of LED screens in the market has completely replaced solid advertising forms such as outdoor three-sided flips and inkjet advertisements. With the gradual integration of traditional media and emerging media, the entire media environment has rapidly developed into an all-media era. This is an important opportunity for outdoor LED large screens to enhance their position in the media market. The new media status of outdoor LED large screens has soared. According to relevant information, the outdoor advertising industry in South China has achieved rapid development in the 1990s. From 2005 to 2014, the outdoor advertising industry in South China developed rapidly at a growth rate of 20%. This has a close relationship with the urbanization development strategy. South China outdoor LED large-screen media, with its various attributes such as TV media and outdoor media, has won the favor of advertisers and is also popular among audiences. Outdoor LED advertising screens can play a variety of content, such as public service advertisements, news information, commercial advertisements and information, etc. The content carried is much richer than traditional advertisements, and short-term or continuous content can be replaced and reused . With the development of the LED large screen industry, the technology is becoming more and more mature, and the cost of LED large screens has decreased, which provides a prerequisite for its widespread popularization. With the continuous development and maturity of the Internet era, the opportunities for LED outdoor advertising screens to realize remote networking and multi-screen simultaneous broadcasting have been maturing, and outdoor advertising media has also entered a new era. The rapid development of economy and scale in South China and the acceleration of urbanization in small cities have brought broad development space for large LED advertising screens. Most of the outdoor LED screens appear in places with dense traffic and traffic. They appear in people's field of vision every day, bringing people a rich and varied visual experience. No less. Outdoor LED large screens are vying to be occupied by various media, and more attention is paid to the outdoor LED large screen as a carrier medium, which has the characteristics of quietness and movement, bright colors, and various changes. The Internet is a major factor in promoting the widespread application of large screens. The Internet makes multi-screen linkage possible, coupled with the development of the control system, the outdoor advertising screens set up in multiple places can realize the simultaneous playback of content. In this way, the publicity effect and efficiency are greatly improved. Multi-screen networking interaction will be a major trend in the development of LED large screens. .