A cable fixing bracket of a connector without tail cover comprises a bracket, a press part, a thermal-shrinkage band, a screw, a flat gasket and a nut; tail portion cables of a plug and a socket are respectively wrapped with the thermal-shrinkage band and are fixed on the bracket through the pressing part, the screw and the nut; the bracket and the connector socket are assembled on a transition plate together through self-provided locking pieces of the connector; and after the connector plug is in butt joint with the connector socket, the bracket and the plug are fixed together on the connector socket through the self-provided locking pieces of the connector. The cable fixing bracket of the connector without a tail cover of the utility model has the advantages of simplicity, operational easiness, and high versatility.