The present invention discloses a method for switching service process and a media server, wherein the method for switching the service process comprises: after a first service process performed together with a facsimile terminal is completed, and when a message, which is sent by an application server and which indicates to carry out a second service process, is received by a media server, the media server switching from the first service process to the second service process; and the facsimile terminal switching from the first service process to the second service process. Therefore, the switching of the facsimile is not limited by the switching control requirements of the media gateway, which is favorable for flexible expansion and interconnection of the facsimile services.