《南齐书·陆厥传》: 永明末盛为文章,吴兴沈约、陈郡谢脁、琅邪王融以气类相推彀。汝南周顒、善识声韵,约等文皆用宫商,以平上去入为四声,以此制韵,不可增减,世呼为“永明体”。史载,沈约作有《四声谱》,周顒作有《四声切韵》,王融欲作《知音论》,王斌作有《四声论》等,说明声韵的重要发现及其在文学创作中的运用,是永明文学的最重要特征。自然也就成为永明诗文研究的中心课题。可惜上述诸书早已不存,原始资料十分有限,仅有的除了永明诗人的创作外,便只有《文镜秘府论》了。 “South Qi Book · Lu Jue Biography”: Wing Ming Ming Sheng article, Wu Shen Shen about, Chen Jun Xie Xuan, Langya Wang Rong gas phase with Internet. Ruonan Zhouyi, knowledge of sound rhyme, about other texts are used Gongshang, Ping into the four sound, as rhyme, can not increase or decrease, the world call for “Yong Ming body ”. Shouzai, Shen around for the “four-sounding spectrum”, Zhou Yong for “four cut Qiyun”, Wang Rong for “phonetics”, Wang Bin for “four sound theory”, etc., to explain the important discovery of sound rhyme and Its use in literary creation is the most important feature of everlasting literature. Naturally become the center of Yongming poetry research topic. Unfortunately, these books have long ceased to exist, and the original materials are very limited. Only the creation of the Yong-Ming poet is the only one that has been described as a literary secret palace.