The present invention relates to an IMS (IP Multimedia Subsystem) based initial filter criteria trigger control apparatus and method, in the IMS network according to the present invention, the initial filter criteria trigger control apparatus for collecting the state information and network information of the subscriber station An IFC trigger information collecting unit; An IFC trigger controller configured to determine whether to transmit an initial filter criterion to a serving-call session control server by determining whether state information and network information of the subscriber station satisfy an IFC trigger control condition; And a storage unit which stores an IFC trigger control condition table that records at least one IFC trigger control condition corresponding to the initial filter criteria.
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