Since the 21st century, with the deepening of education reform, "flipped classroom" as a new teaching method has attracted high attention from countries around the world. Especially in foreign language teaching, flipped classrooms, with their flexible learning methods, greatly enhance learners' learning enthusiasm and enhance learning efficiency. On the basis of analyzing the current situation of Chinese language teaching in South Korea, this article conducted a more in-depth study on the application status of "online and offline" blended flipped classrooms in China. This article provided a detailed analysis from two aspects: teaching design and teaching implementation and student feedback. Combined with practical teaching practices, it was proved that "flipped classroom" can better promote the development of students' Chinese language. This article focused on case studies, supplemented by empirical analysis. The language skills test scores of the experimental group students were higher than those of the control group. For example, class 3 of the experimental group achieved a high score, while the highest score in the control group was only 71 points. This article has certain reference significance for Chinese language teaching in South Korea, and has certain reference significance for teaching other languages.