The present disclosure provides a method, a server and a system for processing an emergency call in a PoC service. The method includes: receiving, by a PoC server, an emergency call request sent by an initiator; adding, by the PoC server, a mobile terminal as one party to an established emergency call group according to the emergency call request, where a first party of the emergency call group is a dispatcher; and forwarding, by the PoC server, a two-way session between the mobile terminal and the dispatcher. In the embodiments of the present disclosure, an emergency call may be provided in a PoC service.