Nurses in the emergency department of PKU Muhammadiyah Bantul Hospital do not have the instruments to conduct trauma assessments in injured patients. The Rapid Trauma Score (RTS) is an instrument for assessing quickly and precisely cases of injury or trauma. RTS is considered easy and simple for trauma scoring and can effectively assess trauma prognosis. The main purpose of the study was to evaluate the the implementation of RTS in trauma patients in the emergency department of PKU Muhammadiyah Hospital, Bantul. This study was a descriptive analytic study. Data were collected from purposive sampling patients who entered the emergency department at PKU Muhammadiyah Bantul hospital in July-August 2018 with total of 31 patients and 12 nurses. The instrument of this study consisted of an observation sheet for the assessment of the RTS and an RTS needs identification questionaire. Data analysis using descriptive analysis. Results: 83.4% of nurses at PKU Muhammadiyah Bantul Hospital said they needed a tool to assess trauma cases in the emergency department. The age of patients with trauma in the emergency room at PKU Muhammadiyah Bantul Hospital was 38.7% aged 40-65 years, 25.8% patients suffered minor head injury, the highest trauma score was 16 (67.7%), the lowest trauma score was 7 (3, 2%) and 9.7% of patients referred to the tertiery hospital. RTS is considered easy and simple for trauma scoring and can effectively assess trauma prognosis.