Abstract: The present invention relates to a high frequency self-lock connector, comprising a plug and a socket (16), wherein the plug (17) further comprising a plug sleeve connected with the plug housing (11) via an elastic member (10); a first contact member (8) is disposed within the plug sleeve (6); the first contact member (8) is fixed with respect to the plug housing (11); the first contact member (8) clamps the socket housing (3); a second contact member (9) is fixed on the plug housing (11) and connected with the first contact member (8) via the plug housing (11); the second contact member (9) abuts on an inner step of the socket housing (3); and the plug inner conductor (5) is in tight contact with the plug inner conductor (1). The connector of the present invention has a high vibration resistance, stable phase, quick connection, small SWR and good stability and is convenient for use.