Objectives : The purpose of this study was to evaluate the effects of $Sa-am$ acupuncture treatment on an interstitial cystitis patient. Methods : A 51 year-old woman who diagnosed as interstitial cystitis, was enrolled in this study. The clinical data was analyzed on a patient with interstitial cystitis due to $Shinheo$(腎虛). The patient had visited Korean medicine department of Yangsan public health care center, and was treated with a $Sa-am$ acupuncture($Sinjeongkyeok$) for 4 weeks. Results : After 4 weeks of $Sa-am$ acupunture treatment($Sinjeongkyeok$), improvement was seen in the subsection of the international prostate symptom score and the part of qualiveen questionnaire score. Conclusions : This clinical case indicates that acupuncture treatment is significantly effective in treatment of a interstitial cystitis.