LED display, as a modern information technology means, can provide a more comprehensive, efficient and intelligent solution for the supply and effectiveness of urban public cultural services and cultural industry. First of all, LED display can be used for the promotion and reporting of urban public cultural activities, providing more comprehensive, efficient and intelligent solutions for the promotion and reporting of urban public cultural activities and enhancing the supply and efficacy of urban public cultural services through real-time release of performance information, exhibition information, etc. Secondly, LED display can be used for the innovation and development of urban cultural industry, providing a more comprehensive, efficient and intelligent solution for the innovation and development of urban cultural industry through real-time release of cultural creative products, cultural IP, etc., enhancing the supply and effectiveness of urban cultural industry. In short, the role of LED display to enhance the supply and efficacy of urban public cultural services and cultural industry will become a new trend and a new way for urban public cultural services and cultural industry, injecting more vitality and momentum to enhance the supply and efficacy of urban public cultural services and cultural industry, and promoting the supply and efficacy of urban public cultural services and cultural industry into a new, more efficient, intelligent and personalized stage.