Chongqing Emergency Medical Center was established in 1939. Its predecessor was Zhongzheng Hospital, and it was renamed as Chongqing Fourth People's Hospital in May 1984. 1988 In March, Chongqing Emergency Medical Center was officially listed, and Chongqing Fourth People's Hospital was used as the supporting hospital of the emergency medical center. In 2003, Chongqing Institute of Emergency Medicine was established, becoming a modern large-scale general hospital integrating first aid, medical treatment, scientific research, prevention and teaching. It was rated as a national first-class hospital, a national baby-friendly hospital, a civilized unit in Chongqing, a top ten hospital in Chongqing, an international emergency rescue network hospital, and an ISO900 1 international quality management system certification unit.