The main features of the Chinese Pinyin Scheme are: in the form of letters, international Latin letters are adopted, which is convenient for people to learn and master and communicate with international cultures; In phonetic notation, phonetic notation can not only accurately mark pronunciation, but also clearly reflect the phonetic system; In the scope of application, only modern Chinese Putonghua pronunciation is spelled, and local sounds and ancient sounds are not spelled.

The main uses of "Chinese Pinyin Scheme" are: as a tool for phonetic notation of Chinese characters and promotion of Putonghua; As the common foundation for the creation and reform of minority languages in China; Used for compiling indexes, telegrams, semaphores and industrial product codes; Used to translate names, places and technical terms; It is used to compile various program symbols and process information of Chinese characters.