When the patient arrives at the emergency department, someone should be responsible for rushing out. Pre-examination nurses should master the standards of emergency treatment, preliminarily judge the priorities of diseases through the order of asking, seeing, checking and triage, and timely triage to specialist clinics. In case of critically ill patients, the doctors and nurses on duty in the emergency room should be informed immediately; Such as legal disputes, traffic accidents and criminal cases. , should immediately notify the hospital security department or the public security department medical education network to collect, and ask family members or accompanying personnel to stay; In case of catastrophic events, the head nurse and relevant departments should be informed immediately.