《中原音韵》音系研究巳经取得的成果 ,可以代表近代汉语语音研究的水平。本文概略地回顾了 2 0世纪《中原音韵》音系在海内外的研究进程 ,以为大致可以划分为发轫、加速、高潮三个阶段 ,并进而尝试归纳出各阶段研究的特点与不足。本文还初步总结了 2 0世纪研究《中原音韵》音系的八种主要方法 ,扼要说明了一些特殊方法的形成及其实际运用 The achievements made in the study of the phonological system of Zhongyuan can represent the level of modern Chinese phonetics research. This paper briefly reviews the research progress of “Zhongyuan phonology” phonology at home and abroad in the 20th century, and thinks that it can be roughly divided into three stages: development, acceleration and climax, and then attempts to summarize the characteristics and deficiencies of the research in all stages. The article also summarizes the eight main methods of researching the phonology of “Zhongyuan rhyme” in the 20th century, and summarizes the formation of some special methods and its practical application