Objectives : The aim of this study is to estimate traditional Korean medicine (TKM) practitioners` awareness and attitudes about acupuncture clinical study toward evidence based medicine (EBM). Methods : We conducted two surveys before and after the workshop. First survey, about the awareness and attitudes toward EBM was carried out with questionnaire. Second survey, about their changes in the attitudes toward EBM after the workshop was carried out with on-line questionnaire. Results : 70.0 % of respondents shows interest in the trends of clinical research. In contrast, 26.0 % of respondents used to search papers by themselves. 30.3 % of respondents reported that they apply the result of researches to their practice. 41.0 % of respondents thought that case study is needed for their practice, whereas 29.5 % responded that randomized controlled trial is most important. In the second survey, the attitudes toward EBM were changes positive. fair number of respondents usually get information from data regardless of EBM for their practice, but 23.5 % of respondents refer to the journals. Conclusions : The awareness and needs for education on the attendees toward EBM is quite high, and the effect of education is possibly influential. We expect the improvement on the refresher and the extension of education course for practitioners, and undergraduate curriculum.