1-2 Suicide Case vignettes and risk assessment question Research team designed a case discussion depends on clinical experiences and suicide cases they had cared before. The investigators drafted some important questions to evaluate the ability of suicide risk identification and evaluation of research samples (Nurses). 8 student nurses of university went through this case discussion, and the investigators got a good result of this pilot test. Student nurses all agreed the interactive discussion with teacher and problem-based teaching can help them to grab the point of suicide prevention and arouse their learning interest.