Objective To study the efficacy of ethinylestradiol and cyproterone combined with metqormin in the treatment of patients with obesity and polycystic ovary syndrome. Methods 80 patients with obesity and polycystic ovary syndrome treated from March of 2013 to March of 2014 in Zhongshan Boai Hospital were selected and randomly divided into two groups,40 cases in each group. The control group was treated with ethinylestradiol and cyproterone and observation group was treated with ethinylestradiol and cyproteron...