This research aims to investigate and analyze the development status of Chinese-language media operated by overseas Chinese in Korea, mainly to analyze the existing development problems, and to put forward constructive opinions and suggestions for the sustainable development of Chinese-language media in the future. This paper conducts an in-depth investigation and research on the development background, current situation and development dilemma of Korean Chinese-language media in East Asia under the overall background of the general development of overseas Chineselanguage media through the methods of literature research and mobile interview survey, grasps and analyzes the current development difficulties: (1) Insufficient operating funds; (2) Single service content; (3) Unstable user group; (4) Lack of professional teams and low content quality; (5) The existence of national identity problems; (6) Government policies and systems not open enough. In the conclusion, four opinions and suggestions for sustainable development are given : (1) The necessity of diversified and innovative development; (2) The expansion of the cooperation model; (3) The support of the government; (4) The necessity of concentrating the development of new media. Finally, the insufficiency of this thesis and future research directions are clarified.