This research was targeted on the primary school teachers in Ping-tung County and aims to look into the relation of organizational culture, teachers¡¦ organizational commitment and organizational citizenship behavior. The objectives of this research include: 1. The investigation on teachers¡¦ awareness of primary school organizational culture, teachers¡¦ organizational commitment and organizational citizenship behavior¡F 2. The interpretation on the difference of awareness among teachers of different background in terms of primary school organizational culture, teachers¡¦ organizational commitment and organizational citizenship behavior¡F 3. The discussion on teachers¡¦ awareness of the relation between primary school organizational culture, teachers¡¦ organizational commitment and organizational citizenship behavior¡F 4. The analysis on teachers¡¦ ability to predict the organizational citizenship behavior from the aware primary school organizational culture and teachers¡¦ organizational commitment¡F 5. The suggestions concluded on the basis of research results. All these are proposed for the reference of school administration management. Based on the discussion on relevant literatures, the theory, framework, and research tools adopted in this research are thus developed. In this research, 680 primary school teachers in 56 primary school Ping-tung County are targeted to fill in the questionnaires and 611 effective questionnaires are acquired. The research tools consist of ¡§Primary School Organizational Culture Scale¡¨, ¡§Teachers¡¦ Organizational Commitment Scale¡¨, and ¡§Teachers¡¦ Organizational Citizenship Behavior Scale.¡¨ The effective samplings are analyzed by t-test, On-way Analysis of Variance, Pearson Product-moment Correlation, and Multiple Regression. The conclusions are listed as follows: 1.The whole performance of the primary school organizational culture is good. Among the sectional scores, ¡§the dimension of development culture¡¨ was the highest. 2.The whole performance of the primary school teachers¡¦ organizational commitment is good. Among the sectional scores, ¡§the dimension of retention commitment¡¨ was the highest. 3.The whole performance of the primary school teachers¡¦ organizational citizenship behavior t is good. Among the sectional scores, ¡§the dimension of non-benefit-orientated¡¨ was the highest. 4.The elder, the high-educated, the senior, the administrator and the teachers of primary school in the megalopolis have a higher sense of the school organizational culture. 5.The elder, the high-educated, the senior, and the administrator have a higher sense of the school organizational commitment. 6.The elder, the high-educated, the senior, and the administrator have a higher sense of the school organizational citizenship behavior. 7.The clearer the school organizational culture will be, the better organizational commitment will be. 8.The clearer the school organizational culture will be, the better organizational citizenship behavior will be. 9.The clearer the school organizational commitment will be, the better organizational citizenship behavior will be. 10.Teachers¡¦ backgrounds ,organizational culture and organizational commitment had predicative efficacy for Teacher's organizational citizenship behavior. ¡§Organizational commitment¡¨ can predict teachers¡¦ organizational citizenship behavior best.