The state has stipulated the norms of billboards.

Legal analysis: It is strictly forbidden to scribble, depict, post, hang, place, set up and distribute advertisements, plaques, slogans and promotional materials. Buildings and various public facilities and trees on both sides of urban streets and roads, as well as residential areas and stairwells.

Legal basis: Advertising Law of People's Republic of China (PRC).

Forty-first local people's governments at or above the county level shall organize relevant departments to strengthen supervision and management of the use of outdoor places, spaces and facilities. Publish outdoor advertisements and formulate the planning and safety requirements for outdoor advertisements.

Measures for the administration of outdoor advertising shall be stipulated by local laws and regulations of local governments.

Forty-second in any of the following circumstances, outdoor advertising shall not be set up:

(a) the use of traffic safety facilities, traffic signs;

(two) the impact of municipal public facilities, traffic safety facilities, traffic signs, fire control facilities, the use of fire safety signs;

(three) hinder the production or people's life, damage the appearance of the city;

(four) in the state organs, cultural relics protection units, scenic spots and other construction control areas, or in areas where the local people's governments at or above the county level prohibit the installation of outdoor advertising.