In order to improve and develop the service quality of public agencies, Executive Yuan was devoted to many innovative activities, such as administrative innovation and governmental reengineering, etc. In addition, we can acquire many valuable and innovative experiences from The Service Quality Award of Executive Yuan, and found that the organizational innovative capabilities are important factors which can influence organizational performance in public sectors; moreover, leadership styles and knowledge sharing behaviors of employees are the key points to affect the vitality of innovation. Therefore, the purpose of this study was to discuss the relationship among the members’ perceptions of director’s leadership style, employees’ knowledge sharing behavior, organizational innovation and administrative performance. This study took the members of Tao Yuan County Government, the County’s subordinated agencies, and the central governmental organizations in Tao Yuan as the population, and adopted stratified and convenient sampling. There were 285 valid samples, and the collected data was processed with SPSS and AMOS. The results of the analysis were summarized as follow: 1.Leadership style directly impacts knowledge sharing behaviors of employees, and organizational innovation, but has no directly influence on organizational performance. 2.Knowledge sharing behaviors of employees directly impacts organizational performance, but has no directly influence on organizational innovation. 3.Organizational innovation directly and strongly impacts organizational performance. 4.Organizational innovation and knowledge sharing behaviors of employees are the key roles as intervening variables between leadership style and organizational performance. 5.The leadership style, knowledge sharing behaviors of employees, organizational innovation and administrative performance partially differ due to the different education, departments, serving years in the current organization, and positions of samples.