LED display, as a modern information technology means, can provide a more comprehensive, efficient and intelligent solution for the platform and carrier of urban social and cultural communication. Firstly, LED display can be used for the promotion and reporting of urban public cultural activities and cultural performances, providing a more comprehensive, efficient and intelligent solution for urban public cultural activities and cultural performances by releasing performance information and program listings in real time, enhancing urban cultural communication and interaction. Secondly, LED display can be used for the construction and application of urban social platform, through real-time release of social information, dating interaction, etc., to provide a more comprehensive, efficient and intelligent solution for the construction and application of urban social platform, and enhance urban social interaction and information sharing. In short, the role of LED display to enhance urban social and cultural exchange platform and carrier will become a new trend and new way of urban social and cultural exchange, injecting more vitality and power for the construction and application of urban social and cultural exchange platform and carrier, promoting urban social and cultural exchange platform and carrier into a new stage of more efficient, intelligent and personalized.