The present invention is to provide a connector having a metal separating plate being fastened by a tongue plate in integral formation, which is compatible to USB Type-C standard and includes a tongue plate made of plastic integrally and provided with a metal separating plate fixedly disposed therein; a plurality of first connection terminals respectively inserted into first connection slots formed in the tongue plate near a top surface of the metal separating plate; a plurality of second connection terminals respectively inserted into second connection slots formed in the tongue plate near a bottom surface of the metal separating plate; grounding boards having structures respectively matched with the tongue plate, so as to enclose an outer edge of the tongue plate; and a metal casing having a structure matching with the tongue plate, so as to allow the tongue plate and grounding boards to be assembled into the metal casing.