Purpose: This study is a descriptive study to compare and analyze biomedical ethics consciousness and attitudes to withdrawal of life-sustaining treatment for nursing students and non-nursing students. Methods: For this study, 208 nursing students and non-nursing students in the C area were analyzed, and the data collection period was from October to November, 2018. Data were analyzed using the SPSS 24.0 program with frequency, percentage, mean, standard deviation, t-test, χ²-test, and Pearson’s correlation coefficient. Results: The biomedical ethics consciousness of nursing students and non-nursing students was 2.64±0.38 points and 2.74±0.30 points, respectively, with statistically significant differences (t=-2.24, p=.026). Attitudes toward withdrawal of lifesustaining treatment were 2.71±0.35 points and 2.69±0.40 points, respectively. There was a negative correlation (r=-.29, p=.003) between nursing students’ consciousness of biomedical ethics and withdrawal of life-sustaining treatment. Conclusion: As a result of this study, tailored biomedical ethics education for nursing students and non-nursing students should be continuously provided for rational decision-making on withdrawal of life-sustaining treatment.