The invention provides a media control method, a system, a device and a media service combination device, belonging to the communication technical field, wherein the method includes: receiving and storing the logon information and the status information of the media resource server; receiving the conversation establishment request information transmitted by the media resource client-side; selecting the media resource server according to the requested media service ability and the logon information and the status information of the media resource server; routing the conversation establishment request information onto the selected media resource server, negotiate about building the media control channel between the media resource client-side and the media resource server. The invention can realize the media service combination function which provides different media service to a media resource client-side by different media resource servers.