Leverage Buy-out (LBO), as an emerging approach in merger and aquisition (M&A), attracts wide attention both from the academic research and enterprises. LBO has been deeply studied in theoretical and empirical research abroad. However, most of the domestic studies mainly discuss the theory qualitatively and study cases, which are almost base on the result of foreign research. This paper, starting from the origination of LBO, further studies the principle of LBO and its application between Chinese enterprises. It investigates into the motivation of LBO and the problems araising in the practice through specific case studies, and then discusses the development of LBO in China's M&A. Finally, this paper achieves the conlusion: LBO has been adapted to some extend in China's M&A. Despite some difficulties in the practice, LBO will be a very important M&A approach, when we further improve our legal and financial environment, regulate the practice protocals and pay more attention to the internal management after M&A. Key word: Leverage Buy-out Merger and Aquisition Application 注:你第二段的中文内容有点重复,我没完全照着翻