Peucedanum japonicum Thunb (PJT) has reported the effect of lipid and glucose metabolism at some in vivo and in vitro study. In this study, 21 subjects with dyslipidemia border zone took PJT for 12 weeks. The changes over time of body composition and biochemical test were examined. The values of HbA1c were significantly reduced compared to the values before intake. For body fat percentage, the value at 8 weeks after intake showed a significant decrease compared with the value before intake. Adiponectin was significantly increase after 8 weeks in obese subject. These results suggested PJT may improvement of glucose metabolism.