The invention relates to an automatic docking device and method for a right angle coordinate flexibility non-contact type connector used for space launch technology and in the transportation process of liquefied natural gas (LNG). The invention aims at providing the docking device and method for the connector, which have the advantages of high automation degree, strong adaptive capacity, simple structure, safety, reliability and the like. The automatic docking device for the right angle coordinate flexibility non-contact type connector comprises a pedestal, an advancing and retreating seat, atransverse movement seat, a lifting seat, a flexible clamping propulsion mechanism, a non-contact detection system and a connector component, wherein the advancing and retreating seat is installed above the pedestal, the transverse movement seat is installed above the advancing and retreating seat, the lifting seat is installed above the transverse movement seat, the flexible clamping propulsion mechanism is installed above the lifting seat, the non-contact detection system comprises a target plate and a non-contact sensor, the non-contact sensor is installed on the lifting seat, and the target plate is installed on a surface of a storage box; and the connector component comprises a connector, and the connector is used for connecting with an interface.