The purpose of this study was to understand the content of professional competence of participants in architectural design competition and to assessment the significance of each factor. In hopes that the establishment was to provide architectural specialized courses of technological and vocational education, as a reference. In this research, a preliminary structure of the professional competence was drafted, based on the social observational survey and literature review. Then, FDM’s questionnaire was applied to investigate the expert's opinions. After the data collection, and statistic, the structures was builded which have 3 hierarchies. There are 4 dimensions in the first hierarchy, 8 in the second, and 23 in the third. After the mathematics of the AHP was calculated, the conclusion was provided. In the first hierarchy, “Design professionalism” has the highest weight of 48.01%. In the second hierarchy, “The knowledge of environmental planning” has the highest weight of 32.61% and is the most important item. In the third hierarchy, “Space demand and the features of user behavior” has the highest weight of 12.08% and is the most important item. Summarization above results, in the research process, the experts’s opinions was quantitatived which about the professional competence of participants in architectural design competition. Finally, the aforementioned information serves as the references for government agencies, academics and future researchers.