This research applied program theory to explore eleven primary schools that participated in the teacher's professional development evaluation held by the education department at kaohsiung in 2006. This study aims to understand the executive effect and the outcomes of the evaluation of teachers' professional development. First of all, the research used reference analysis to construct the program theory. After that, questionnaire survey and interview data were collected between September and November. 2006. According to data analysis, the conclusions are as follow: 1. Principal play a key role in terms of leading teachers to participate the teacher's professional development evaluation. 2. Most teachers joined the plan with positive attitudes. 3. A common consensus of the teachers' professional evaluation were gathered through application and execution processes. 4. Limitation in the rules of the teachers' professional evaluation still can be improved. 5. An organizational culture of colleague counseling system was formed while joining the evaluation. 6. Linkage between goals and executive processes of the evaluation were connected. 7. Time becomes an important element during the trial process. 8. It is important to deliberate potential assumptions and ideas of teachers who participated in the evaluation. Furthermore, in accordance with the conclusions, some suggestions are provided for cities and counties to carry out or to build up the teacher evaluation system.