Breaststroke is an important sub-item of swimming. Its academic research plays an irreplaceable role in China's physical education and Olympic competitive sports. In order to further understand its current research status of breaststroke in China and summarize the research hotspots and directions, this paper adopts the bibliometric method based on data mining. This paper makes a visual analysis of 1975 breaststroke documents included in CNKI from 1989 to 2021 and the development process, hot spots, and evolution trend of breaststroke research. The result shows that the breaststroke papers as a whole show a "ladder" fluctuation evolution in quantity; the research affiliations of breaststroke are mainly sports colleges and universities. Beijing Sport University and Guangzhou Institute of physical education are the backbones of academic research in this aspect. Its research hotspots include “swimming”, “individual medley” and “swimmer research”. The number and sources of overall research topics are relatively limited, and the research topics are scattered. It is suggested to strengthen basic theoretical research, strengthen interdisciplinary integration and explore research perspectives; strengthen scientific cooperation, enhance discipline integration, and pay attention to the diversity and scientificity of micro empirical research methods.
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