PURPOSE The purpose of this study was to explore clinical nurse's reported conflict experience toward end-of-life medical decision making. METHODS Data were collected by in-depth interviews with eight nurses from three different wards of university hospital in D city of Korea. Conventional qualitative analysis was used to analyze the data. RESULTS Results were three major themes and twelve categories from the analysis. The three major themes were prioritization of treatment, non-disclosure of diagnosis, and hierarchical and power relations. CONCLUSION The results of this study suggest that shared decision making in end of life among patient, family members, physician, and nurse may contribute to improve end-of-life care performance as well as dignified dying of patient in end of life.