As a common outdoor advertising sign, the LED graphic advertising screen is the media device with the best brightness. It has advantages such as good stability, low power consumption, and wide radiation range. It is the most suitable product for outdoor information dissemination. Generally, common LED displays include advertising screens, text screens, graphic screens, etc., and they are the preferred choice for constituting urban life and emitting light. Then, when setting up such high-quality LED advertisements outdoors, what details should be paid attention to? I believe these contents are the topics that everyone is most concerned about, especially for those technical construction personnel, knowing how to set up and maintain the advertising screen will effectively promote the progress of merchants' advertising and information dissemination. Specifically, the installation of outdoor LED electronic display screens has four steps: 1. Field investigation: This refers to the tests that should be carried out before the installation of outdoor LED displays, regarding specific parameters such as the environment, terrain, radiation range, and brightness reception ability, to ensure the smooth installation of the advertising screen. Before lifting and installing, it is necessary to implement a unified lifting plan for the command personnel to ensure that the equipment can be used normally and stably. 2. LED equipment installation: For the installation of outdoor LED advertising screens, different types of advertising screens should be distinguished, such as wall advertising screens, hanging advertising screens, and roof advertising screens. During actual installation, they should all be segmented lifted and installed according to the distance and height, while ensuring that the personnel above cooperate with each other. For LED advertising screens with high-altitude operations, there will be a better installation and usage process. 3. Radiation range detection: Next, specific radiation range detection should be carried out. Due to different radiation ranges, the LED display installation perspective will also be different. The fixed installation of outdoor LED display screens should be carried out based on the actual acceptance ability and the normal viewing range of everyone to ensure that from every angle, a normal and balanced image and text information can be seen. 4. Subsequent detection and maintenance: Subsequent detection includes many aspects, such as waterproofing of LED displays, heat dissipation layers, LED display waterproof coatings, rain protection range on the display, cooling air gaps on both sides, power supply lines, etc. These basic component products constitute the entire stable graphic LED display. Later technical maintenance should be carried out by uniformly managing and maintaining these components. When encountering rust, instability, or damage of the product, it is necessary to replace it in time to ensure the safe use of the entire display. In summary, outdoor advertising LED displays adopt high-tech backboard heat dissipation and dot matrix light source emission for unified management, which is more conducive to the use of the display. These basic installation steps of outdoor advertising screens once again illustrate the important links in LED display installation. Mastering these will enable us to use the advertising display more smoothly and quickly, and fully utilize its excellent characteristics of information dissemination.