It is the teachers' job to consistently advance their teaching specialties with the time. In schools, many teachers are enthusiastic about teaching, but some teachers lose their passion due to perceived career plateau. Therefore, the purposes of this study are to investigate the causes of their perceived career plateau and to further examine the relationship among teacher's work values, perceived organizational climate, and perceived career plateau of junior high school teachers in Ping-tung County. This study conducted questionnaire survey to collect 555 valid data. Based on the regression analysis, the results show that teacher' work values and perceived organizational climate have significant negative influence on perceived career plateau. In particular, of the teachers' work values, "innovative development" and "accomplishment" are the most effective factors affecting teachers' perceived career plateau. Of the perceived organizational climate, "disengaged behavior" is the most effective factor affecting teachers' perceived career plateau. Additional discussions and suggestions are provided based on the results. This study will be beneficial to the career development of junior high school teachers.