1. refers to the pre-Qin Chinese phonology. Zheng Xuanyan's ancient and modern sounds are different in the Eastern Han Dynasty. The book "The Sound and Meaning of Mao Poems", a heavy text in the Northern Zhou Dynasty, only exists in Lu Deming's Classic Interpretation of Poems and Under the Wind in the Tang Dynasty. Ye Yun theory was put forward by Wu Kun in Song Dynasty, Dai Dong in Yuan Dynasty and Jiao Hong Chandi in Ming Dynasty. Analysis of Yao's "Ancient Rhyme": The following six studies have been deepened and the division has become more and more accurate. For example, Zhang is divided into 23 ancient rhymes and Huang Kan is divided into 28 ancient rhymes. Wang Li judged that the ancient rhyme of The Book of Songs was twenty-nine, and that of Chu Ci was thirty. Refer to Wang Li's Chinese Phonology and Preliminary Phonology. 2. Generally refers to the phonology of ancient Chinese (ancient and medieval).

fresh air

New weather; New fashion

The new style of ancient rhyme should have both ancient classics and modern charm.