The invention provides a pre-hospital medical networking system for traffic emergency treatment and an application method thereof. A processing platform for traffic accident emergency treatment information is established in a regional emergency treatment center to realize timely communication with doctors, nurses, traffic polices and people who call the police involved in accidents, and unified scheduling, thereby improving the efficiency of rescuing and helping; mobile medical equipment and auxiliary equipment acquire information of blood oxygen saturation degrees, blood types, pulses, body temperatures, wounded part images and the like of wounded persons, data are transmitted to a hospital back-end server in real time by virtue of a wireless communication module, and the back-end server performs analytic processing on the received data and then acquires traffic traumatic condition evaluation data and decision support result data for helping departments in a hospital to grasp conditions of the wounded persons of traffic accidents in time; and by virtue of multiple disciplines, doctor-police cooperation, and inside and outside hospital cooperation, the process is optimized, and the disability rate and casualty rate in traffic accidents are reduced.