Luo Changpei is a scholar with a deep foundation in ancient learning, but he can use the theory of modern linguistics, master the materials and methods of modern linguistics, and take the traditional Chinese phonology on the road of science. Based on the fact that Luo Changpei’s contributions to Chinese phonology are all-round, such as the history of Chinese phonology and Chinese phonology, Chinese dialectology, minority languages, language and culture, etc., the study starts with the academic background of Chinese linguistics, themed with "Luo Changpei's Linguistic Exploration and His Contributions", with the purpose of discussing Luo Changpei's achievements and contributions in linguistics.
Chapter one is an introduction to this study, which introduces the academic background of Chinese linguistics in the 1930s and 1940s, and discusses Luo Changpei's life, works and his academic background, and finally briefly introduces the general situation of the academic research on Luo Changpei. Chapter two discusses Luo Changpei’s research on Chinese phonology and his contributions, briefly introducing his research results in the fields of ancient phonetics, Han, Wei, Jin, Southern and Northern Dynasties, middle ancient phonetics, Tang and Five Dynasties northwest phonetics, and modern phonetics, and put forward the contribution and impact of the research results. Chapter three discusses Luo Changpei’s research and contribution on Chinese dialectology, mainly focusing on the dialect survey results provided by him in "Phonetics and Phonology of The Amoy Dialect", Jixi Dialect Survey and " Phonetics and Phonology of The Lin-chuan Dialect", pointing out the importance of their contributions and influences in Chinese dialect history. Chapter four discusses Luo Changpei's research on minority languages, which is mainly divided into two aspects: Luo Changpei's investigation and research results and contributions to minority languages in Yunnan, and Luo Changpei's contribution to minority language work after 1949. Chapter five discusses Luo Changpei's research and contribution in cultural linguistics, mainly introducing the content of "Language and Culture", and discussing how it has influenced China's cultural linguistics, sociolinguistics and ethnolinguistics; "Language and Culture" is also briefly described in the end of the chapter in terms of language and culture, Luo Changpei's personal Insights and suggestions. Finally, chapter six summarizes Luo Changpei’s contribution to linguistics research and his status in the history of Chinese linguistics. Six points, such as the foundation of old learning and all-round commitment, show that Luo Changpei is a scholar who carries forward the past and forges ahead, and his achievements are epoch-making.