This paper conducts an in-depth research and analysis on the challenges and dilemmas faced during the process of Chinese remake of Korean film, as well as the strategies to address these issues. Firstly, the paper reviews the historical development of cooperation between the Chinese and South Korean film industries, noting the rapid growth of the Chinese film industry around 2005 and the increasing collaboration with South Korea. However, with the changing times and the impact of political events, cooperation between the Chinese and South Korean film industries has gradually been restricted, leading to a shift towards transnational remakes. Subsequently, the paper explores the quality issues of Chinese remake of Korean film, analyzing aspects such as script adaptation, character development, and plot treatment. Particularly, focusing on the remake case of Sunny, it points out the shortcomings of Chinese remakes in retaining the essence of the original work, emotional resonance, and innovation. Finally, the paper proposes strategies to address these issues, including suggestions on emotional resonance and theme preservation, flexible plot adaptation and character development, and the incorporation of regional characteristics and innovative elements. By effectively applying these strategies, the quality and market performance of remake productions can be improved, achieving a win-win situation for both commercial and artistic endeavors.