In order to effectively prevent and control the harmful effects of the emergency cases and reduce the damage caused by disasters,military hospitals should promote the capability to deal with emergencies by means of the following measures,which included enhancing awareness,improving the organizations and the plans,training scientifically.

Application of Ultrasound to Diagnose Superficial Tissue Foreign Body in Emergency Scence;

Public security organ should depend on the emergency dealing and coordinative system to set up an emergency dealing system.

According to the nature of road net and actuality of traffic,and depending on the communications,computer network technology and resource of succor,a dynamic navigational system of encountering an emergency in city traffic is studied and designed.