Leadership as a magic power, people have always had a keen interest in it, and academic study of leadership has never stopped. Reviewed abundant study about leadership, this paper divides them into two categories: 1, the study about definition and meaning of leadership; 2, the study about leadership development. In recent years, with the rapid rise of the Chinese economy, the leadership level of Chinese business managers has been greatly improved. However, compared with large multinational companies in developed countries, there is still a significant gap. The study focused on leadership will help to improve the competitiveness of Chinese enterprises.