Background: Triage is a decision making process to determine patient priorities based on the severity and need for immediate treatment. The speed and accuracy of triage assessment in emergency situations is the challenge and responsibility of nurses in the emergency department. The role play method is emphasized for use in academic learning to prepare for clinical learning, including triage learning Aim: To determine the effect of triage education role play learning methods on students' clinical knowledge and skills Method: This study uses a quasy experiment design with a nonequivalent control group design. The population in this study was the nursing students of semester VIII who were doing emergency nursing practice (Pre Ners) nursing in Stikes Wira Husada Yogyakarta by 60 students with sampling techniques using total sampling. Results: The average score of pre-test student knowledge was 51.5 while the post-test average score was 76.5. And the average score of clinical skills was 52.86 while the average score of the post-test was 78.13. Conclusion: The role play learning method in triage education can influence an increase in clinical knowledge and skills in nursing students