The purposes of this study were to analyse alternative exploring for the fairness of teachers' evaluation based on the analysis of the concept, the theory, the tools and the methods of evaluating teachers in korea. In order to achieve this purpose, major themes of the study were chosen as follows. First, how should the concept, the purpose of teacher evaluation be established to enforce the function of evaluating teachers? What is the present teacher evaluation system? Second, how should the criteria and the tools of teacher evaluation be set up in developing the method? Which aspects disturb the process of fair evaluation? How could those aspects be prohibited from being disturbed in teacher evaluation? In conclusion, This study has exploring the alternative fairness of teacher evaluation by analyzing many related the tools and the methods of teacher evaluation. Specially multirater feedback(360-degree feedback), a new method in the fields of national human resource development and teacher Evaluation that has emerged in order to adapt to the changes in the school organization, is rapidly expending in its application.