The invention relates to an emergency call feedback method of mobile terminal, which comprises: (a), when the mobile terminal sends emergency call request, the server mobile exchange center, via routeselection, sends the expanded feedback number to the public safety answer point, while said expanded feedback number comprises the expanded number used to mark the type of feedback number and the mark number for marking the mobile terminal; (b), the public safety answer point, according to the expanded number and the mark number, feeds back. The invention also provides a relative system. The invention, via recognizing different mobile terminal types, realizes improved feedback function of emergency aid system, to improve the quality of emergency service.