Emergency Medical Service (EMS) of Beijing Olympic Games needs to cover not only all the venues of the Olympic and Paralympic Games, but also emergency medical service for citizens at large and other emergency events. To this end, Beijing Emergency Medical Center made efficient preparations for the Olympic Games, namely upgraded dispatch system, first-aid stations, ambulances and equipment, and volunteer recruitment among others. Thanks to such efforts made, the EMS successfully served the Beijing Olympic Games and citizens at large. Furthermore, the Beijing Olympic Games promoted the development of the Beijing EMS system.