Advertising LED display is a screen that uses photoelectric display technology, video technology, multimedia technology, network technology, computer technology, and automatic control technology, designed for various indoor and outdoor use environments, displays various information elements, and uses special control technology. Used to display text, text, graphics, images, animations, stock quotes and various multimedia information as well as TV and video signals. It is a display screen composed of an array of LED devices, which has the advantages of high definition, bright colors, large viewing angle, stable operation, long life and low power consumption. Due to the unit modular structure, the size of the screen body can be flexibly spliced according to user requirements.