In this paper, CiteSpace analysis was used to summarize the Chinese phonetics teaching in the past 42 years for visual analysis. Firstly, we manually searched the China National Knowledge Infrastructure (CNKI) database from 1982-2024, and got 961 valid documents after de-emphasis, which were imported into CiteSpace software for the visual knowledge mapping analysis. In terms of keyword clustering, we obtained 10 keyword clusters in 4 major categories, such as phonological ontology knowledge, bias analysis, pedagogical suggestions, and country-specific analysis. In terms of keyword emergence, we found that the academic community has focused on the study of Chinese phonological ontology from 1994 to 2013, and that the term "pedagogical strategies" first appeared in 1999, followed by a slow transition in 2011, and then a slow transition in 2011, and a slow transition in 2011. Research on "teaching and learning" has always been in the hot spot. The number of articles published in 2012 and 2014 had two high points, 39 and 41, respectively. Finally, the author suggests that the research on Chinese phonetics will continue to grow, and with the rapid development of information technology, Chinese phonetics will integrate more new media and educational technology tools to improve teaching efficiency and quality.