According to Warren Bennis with Robert J. Thomas Ph.D. research, cultivation of outstanding leadership is blend of past experience and self-conscious order come .This shaping process is called Crucible experiences. As the Manchu Dynasty's senior political and military commander, Zuo is undoubtedly the outstanding leadership representative. He organized Chu military to put down Taiping Heavenly Kingdom; forced in creating Fuzhou Ship Bureau to reinforce navy; lead the army expedition to the Northwest, to recover in Xinjiang; resisted the French army advancing along the southeast coast. Not too long in his political career, accomplished many achievements. How come is his leadership? Are there any points for modern leaders to learn? These are the questions this study to explore. Zuo as object, the study is through original and the results of previous studies for data collection. And then to lead the crucible theory as the framework, by qualitative research in the case studies and narrative research methods, etc. way to sum up the refined process of good leadership and proven crucible experience in the role of Zuo. And further settle objectives and plans which can be practiced of the modern leaders. Crucible experience is divided into three types namely¡§New territory¡¨,¡§Enforced reflection¡¨and¡§Disruption and loss¡¨. The study found that three kinds of crucible experience played key role by Zuo, lead he grown up enough to become good leaders. The three experiences of crucible advance nine life experiences can be deduced:¡§Self-examination¡¨,¡§Know who the next¡¨,¡§Intentions with people¡¨,¡§Overcome the fear¡¨,¡§Convince others¡¨,¡§Assumed the task¡¨,¡§Make difficult decisions¡¨,¡§Keep calm and solve mysteries¡¨, and¡§Organize a team¡¨.Finally, submit a practice checklist for plan to cultivate leadership.