The billboard has two lines of text, and there are no regulations on the number of characters on the top line and the number of words on the bottom line.

The "Interim Provisions on the Management of Advertising Language and Text" issued by the State Administration for Industry and Commerce on January 15, 1998 stipulates that the language and text used in advertisements should be clear and accurate, and the wording should be standardized and standard. , should comply with the requirements of the construction of socialist spiritual civilization and must not contain harmful cultural content; it should be in Mandarin and standardized Chinese characters, and Chinese pinyin must not be used alone in advertisements; if Chinese pinyin needs to be used in advertisements, it should be correct, standardized, and consistent with the regulations Chinese characters are used at the same time; the usage of numbers, punctuation marks and measurement units in advertisements should comply with national newspapers and relevant regulations; the use of idioms in advertisements must comply with relevant national regulations and must not cause misleading or have a negative impact on society; any idioms that appear in advertisements must comply with relevant national regulations. The fixed characters of registered trademarks, the original characters in cultural relics and historic sites, and the characters used in corporate names recognized by relevant national departments, etc., should be consistent with the original characters and must not cause misleading; the cursive characters, artistic characters, variant characters, Ancient Chinese characters should be easy to identify and should not be misleading.