This search was conducted to focus on the effect of upward influence behavior on manager¡¦s leadership , and find out if Employee¡¦s personality traits affect the relationship. Based on the result of statistical analysis on 575 questionnaires from the employees in the technology industry, the following findings were obtained: 1.By using the factor analysis, there are four different types of upward influence behavior ¡GRational Persuasion, Tricking and Impeding , Image Management, Ingratiating . 2. a. The upward influence behavior of rational persuasion with gender, marital status, job level, age and educational background has significantly effect. b. The upward influence behavior of ingratiating with marital status, job level, age and educational background has significantly effect. 3. a. Manager¡¦s transformational leadership affects the usage of employee¡¦s the upward influence behavior of rational persuasion and ingratiating. b. Manager¡¦s transactional leadership affects the usage of employee¡¦s the upward influence behavior of rational persuasion and ingratiating. 4. a. Employee¡¦s personal traits change the effect of upward influence behavior of tricking and impeding on manager¡¦s transformational leadership. b. Employee¡¦s personal traits change the effect of upward influence behavior of tricking and impeding on manager¡¦s transactional leadership.