Recently, it was learned from the website of Shenzhen Urban Management Bureau that the new 'Shenzhen outdoor advertising setting guidelines' has been officially implemented. In view of the light pollution of LED electronic display screen disturbing people and the influence of advertisements on driving safety, the guidelines refine and clarify the setting of relevant types of advertisements from the lighting of outdoor advertisements and other aspects. The reporter learned that large-scale LED advertisements in non-large commercial areas should be extinguished after 10 pm, and large-scale LED and projection advertisements should be banned in the eastern eco-tourism shoreline. The 'guidelines' released this time clearly limit the lighting of outdoor advertising. Among them, in addition to the main commercial areas, large electronic display screens (LED included) Advertisements should be extinguished from 10 pm to 8 am the next day; Major commercial and business districts, such as Huaqiang North business district, Dongmen old street, Nanshan commercial and cultural center district, Shenzhen Central District, etc. , from 11 pm to eight o'clock A. M. the next day, large electronic display advertisements should be extinguished. The guidelines also distinguish the surface brightness of outdoor advertisements with lighting in different urban environments, among them, the surrounding areas of the Observatory, nature reserves, national geological parks, expressways crossing the ecological line areas and urban trunk roads should be non-illuminated areas, and residential areas and hospitals should be low-brightness areas. In addition, advertising lighting set within 10 meters around traffic lights and traffic signs shall not adopt flash mode and three colors of red, yellow and green, any advertisement shall not affect the use of residential buildings or urban roads with flashing light sources, and shall avoid glare to pedestrians and drivers on the streets. Large LED advertisements and point light source advertisements located close to residential areas should moderately reduce the surface brightness of advertisements and try to set them as static display advertisements to avoid too many flickering and jumping video images of advertisements, at the same time, it should also have a functional device to adjust the display brightness so as to adjust the display brightness of advertisements in a timely and rapid manner. (