Discourse plays an important role in the construction of legitimation. Numerous studies of discursive legitimation have been completed. However, few studies have reviewed relevant literature with a visual pattern, and a review that analyzes its trends is urgent. The study presents an analytical literature review of the research on discursive legitimation, aiming to provide an overview of and insights into a selected bibliography of 91 research articles on discursive legitimation. A bibliometric analysis using CiteSpace is applied to quantitatively and visually analyze relevant studies, followed by a close qualitative analysis to capture different classifications of legitimation strategies, main research methods, and hot topics.