Objectives : The aim of this preliminary study is to suggest a clinical approach on prostate cancer through the analysis of existing clinical practice guidelines or clinical studies. Materials and Methods : The data related on the treatment of prostate cancer were collected using various search engines such as Pub Med, KIOM OASIS, CNKI. Then, data were analyzed to evaluate the validity of recommendation of treatment. Results : Prostate cancer has the highest prevalence around the world. Recently, the incidence of prostate cancer in Korea is rapidly increasing. Especially, it was reported that incidence rate rose up to 80% by age 80 years. In recent studies, applying combined traditional and conventional medicine were reported to improve the survival, quality of life, immune function, and suppress of tumor growth in prostate cancer. However there has not been an objective and systemic clinical guideline for prostate cancer in Korean Medicine. Accordingly, it has been difficult for doctors to apply optimized therapeutic treatment in clinics. This study will show a preliminary approach to establish clinical practice guideline for prostate cancer of Korean Medicine. Conclusion : Further objective and systemic clinical studies by Korean Medicine are needed to develop more advanced clinical practice guidelines of prostate cancer.