1. The large LED screen can attract the public's attention and play a publicity role. 2. The LED screen can enhance the decoration style of the business and improve the grade. 3. It can improve the popularization of knowledge among the audience and improve the knowledge of Chinese people. 4. The large LED screen can advertise for businesses and increase brand awareness. 5. The LED display can meet the recent needs of businesses, such as recruitment, rental and other information. 6. The LED screen can provide slogan information, such as welcome a certain leader to visit and guide. .