Zhongyuan Yi nyun is a kind of song rhyme book , mostly Literature writings and scholarly research works fromthe Yuan Dynasty acknowl edge that Zhou Deqi ng whose hometown is Jiangxi Gao' an in Yuan dynasty creates the Zhongyuan Yi nyun . But from Mi ng dynasty some researchers suspected that Zhongyuan Yi nyun hadinherited previous works and Zhou Deqi ng was only an adapter . In fact , the Beiyi n rhyme books had been handed down for generations from Southern Song dynasty . There is no doubt that Zhou Deqi ng had referred this kind of works during the process of creating Zhongyuan Yi nyun . the copyright issues of this book just because he did not make a clear explanation . However , if you have analysed the final version of Zhongyuan Yi nyun , we will find that all the rhyme characters have been re- measured and arranged by Zhou Deqi ng , although it inherited some from previous works . So , we can make an conclusion that the copyright of Zhongyuan Yi nyun should be attributed to Zhou Deqing .