This research is presented for transformational leadership, organizational climate and organizational commitment relationship to analyze how the managers is the organization to apply the appropriate leadership style, create a nice organizational climate, form a group cohesiveness and effectively enhance employee organizational commitment. The questionnaire is conducted to the staff for the study, receiving 330 questionnaires with 12 invalid questionnaires. Factor analysis, correlation, and regression analysis are used for analysis. The empirical analysis of the results are as follows. 1. The transformational leadership has a significantly postive impact on the organizational climate. 2. The organizational climate has a significantly postive impact on organizational commitment. 3. Transformational leadership has a significantly postive impact on organizational climate. 4. Transformational leadership, organizational climate, and organizational commitment have a significant relationship. Key Words: Transformational Leadership, Organizational climate, group cohesiveness and Organizational commitment.