本文采用描述流行病学方法，调查、分析677例急诊死亡病例，发现：急诊死亡人数中，到达急诊科死亡人数（DOADeathofArrive）与急诊科内死亡人数分别为349例（51．5％），328例（48．5％）。急诊死亡人数占总急诊人次的1．4‰。死亡病例中以21－40岁为高峰年龄组（44．3％）。抵达急诊科一小时内死亡者共222例（占67．6％）。死亡原因中意外事故居第一位，288例（42．5％），院前猝死居第二位，126例（18．6％）；心血管系统疾病居第三位，66例（9．7％）。 This article describes descriptive epidemiological methods, investigates and analyzes 677 emergency deaths. It is found that out of the emergency deaths, the death toll in the emergency department (DOADeathof Arrive) and the death toll in the emergency department are 349 (51.5%), respectively. 328 Example (48.5%). The emergency deaths accounted for 1.4% of the total emergency visits. Among the deaths, the peak age group (44.3%) was 21-40 years old. A total of 222 cases (67.6%) died within one hour of arrival at the emergency department. Among the causes of death, the number of accidents was the highest, with 288 cases (42.5%). The number of sudden deaths before hospitalization was the second, 126 cases (18.6%); cardiovascular diseases ranked third, 66 cases (9. 7%).