Teacher appraisal plays an important role in the trend of the professionalization of the educational enterprise, that could promote teacher's qualities in each school. The main purpose of this study was to use grey relation analysis on a teacher appraisal scale, and compare it with fuzzy analysis and traditional mean analysis, to find the advantages and disadvantages of each analysis method. Four factors were included in the teacher appraisal scale, which were: teaching preparation, teaching process, teaching strategy, and teaching evaluation, several items were included in each factor. The conclusions of this study are shown: for the result and rank of teaching factor, there is no statistical difference between grey relation analysis and mean analysis; and for the overall distribution of the teaching appraisal items fuzzy analysis was recommended for the analysis. Finally, grey relation analysis is an exploration method for teacher appraisal analysis worth future study.