This study emphasizes action needed to promote the sustainability of Sanjo dance through its popularization and dissemination. Therefore, the objective of this research is to analyze trends in Sanjo dance research using keyword network analysis. The final materials utilized in the study consist of 39 research articles and 59 key terms. Based on the analysis of the content of these articles and the key terms, the research trends in Sanjo dance can be summarized as follows: first, studies on the external aspects such as the structure, content, and function of Sanjo dance; second, diversified historical research on specific individuals related to Sanjo dance; third, expanded research on the artistic and intrinsic values of Sanjo dance; and fourth, studies on the expansion of the content and form of Sanjo dance. Although the quantitative scale of Sanjo dance research is limited, the development of research shows a progressively effective pattern. Therefore, future studies should diversely focus on innovative research regarding transmission methodologies and educational curriculums.