Pinyin is the process of pinyin festival, that is, according to the rules of syllable formation in Putonghua, the initials and finals are quickly and continuously spelled and combined with tones to form a syllable.

Hanyu Pinyin is People's Republic of China (PRC)'s Romanization Scheme of Chinese, which was studied and formulated by the Hanyu Pinyin Scheme Committee of the former China Language Reform Commission (now the State Language Commission) during the period of 1955 to 1957. This pinyin scheme is mainly used to mark the pronunciation of Putonghua and Chinese as the phonetic symbol of Chinese characters. The Fifth Session of the First National People's Congress of People's Republic of China (PRC) approved and announced the plan on February 1958+0 1.