Based on the analysis of CNKI and WOS core databases (2020-2022), this paper constructs a knowledge map of research keywords related to domestic and international Continuing Higher Education. Using CiteSpace, the study aims to explore disparities between domestic and international research focuses. Findings indicate that international documents exhibit higher quantity and quality. Chinese research primarily emphasizes Continuing Higher Education concepts, implementation forms, and activity carriers, while international research focuses on participant types, driving forces, and the impact of the COVID-19 pandemic. Therefore, it is recommended that domestic scholars conduct extensive and high-quality research, prioritize vulnerable participants, investigate the pandemic's effects on Continuing Higher Education, and promote its development amidst this global crisis.