"The purpose of this study was to understand the process of dropout their athletic careers of university baseball athletics after physical and psychological burnout. In this respect, this study collected and analyzed data of in-depth interview for 3 research informants who had baseball athletic career over 10 years. Through this interviews 3 results were revealed: injury, various types of trobles with their coaching staffs, maladjustment lack of baseball performance. Firstly, the injury was caused from inside of athletes and included lack of self-discipline, immoderate competitions without warming up, improper treatments after injury. Second reason is being caused troubles by the coaching staffs. Personal characters and lack of opportunities to perform on field were included. Finally, maladjustment in the team were come from lack of baseball performance is combined with first and second reasons. There were deviations and interests of different sport events. Nevertheless, the reasons were revealed upon, the process to solve this problem is not simple. These results would be helpful to managers, coaches or educational leaders to discover and understand the connections between the reasons and how did athletics dropped out their athletic career. Key words : dropout, baseball athletic careers, burnout"