The Law of People's Republic of China (PRC) on Common Language and Characters clearly stipulates the contents of national promotion.

The state promotes Putonghua and standardized Chinese characters. Chinese characters are traditional Chinese characters. The Law of People's Republic of China (PRC) on Common Language and Characters clearly stipulates that the state promotes Putonghua and standardizes Chinese characters. Our country's law clearly stipulates that the national common language is Mandarin and standardized Chinese characters, and it is a legal obligation to use the national common language. Article 2 of the Law of People's Republic of China (PRC) on the Common Language and Characters clearly stipulates that the common language and characters of the country are Putonghua and standardized Chinese characters, which clarify the legal status of Putonghua and standardized Chinese characters as "common language and characters of the country". The national lingua franca is applicable to all China citizens in the whole country, and it is not targeted at a specific ethnic group, region or group, nor is it just "the spoken and written language of the Han nationality".