Purpose: The purpose of this study is to report the effect of Traditional Korean Medical therapy on 3 patients with Oligomenorrhea. who were obese. Methods: The overweight patients who had been suffering from Oligomenorrhea visited to OBGY department of Dongseo Oriental Medical Hospital. We diagnosed their cases as Supdam(濕痰) on the authority of the first oriental medical examination and treated them with Traditional Korean Medical therapy such as herbal medication and acupuncture therapy. The process of symptoms was evaluated by checking their Menstrual periods. Results: After Traditional Korean Medical therapy. Three cases of Oligomenorrhea were improved. Their Menstrual periods were shortened and Menstrual cycles were maintained. Conclusion: This study shows that overweight or obesity is connected with Oligomenorrhea. Traditional Korean Medical therapy can be effective for the management of Oligomenorrhea.