Objectives: The purpose of this study is to analysis the Clinical Study Trends on Korean Medicine Treatment for Polycystic Ovary Syndrome. Methods: The key words such as 'polycystic ovary syndrome', 'polycystic ovarian syndrome', 'korean medicine', 'herbal medicine', 'acupuncture' are used for the research through 'OASIS', 'KCI', 'KISS', 'RISS'. Results: Ten clinical studies with 73 patients were selected. All studies were the noncomparative studies, and 8 case reports, 1 case series, 1 retrospective chart review. Symptoms accompanied by PCOS were oligomenorrhea, amenorrhea, irregular menstruation, hirsutism, acne, obesity etc. The most used treatment was herbal medicine in all studies with 72 patients (98.6%). The most frequently used acupuncture and moxibustion point was respectively 合谷 (LI4) and 關元 (CV4). The duration of treatment was between 3 months and 10 months, the average 159 days. Outcome measurements were Recovery of menstrual cycle (97.6%), Hormone test (23.8%), Sonogram (61.9%), Indexes of obesity (23.8%). In terms of menstrual recovery, 35 patients (85.4%) have recovered from menstruation in 8 studies with 41 patients. In hormone tests, all 10 patients have decrease of LH/FSH ratio and LH in 3 studies with 10 patients. Through sonogram, Ovulation menstruation was confirmed in all 6 patients. In all 10 patients of 3 studies evaluating weight before and after treatment, weight was reduced. Conclusions: The effect on Korean Medicine treatment for Polycystic Ovary Syndrome had mostly positive results. However, Further large, well-designed clinical trials are needed to establish the foundation of Korean Medicine treatment for Polycystic Ovary Syndrome.