The utility model discloses a top-drive opposite-opening type lifting ring adapter which comprises a left lifting ring adapter unit and a right lifting ring adapter unit, wherein the two units are installed on a bearing neck after being combined, an installation portion of the left lifting ring adapter and an installation portion of the right lifting ring adapter are respectively provided with a plurality of first concave embedded grooves and a plurality of first protruding embedded bodies, an installation portion of the bearing neck is provided with a plurality of second concave embedded grooves and a plurality of second protruding embedded bodies, the first concave embedded grooves and the second protruding embedded bodies are matched with each other and installed in an embedded mode, the first protruding embedded bodies and the second concave embedded grooves are matched with each other and installed in an embedded mode, and transmission of loads is completed after integral installation of all the concave embedded grooves and all the protruding embedded bodies. The top-drive opposite-opening type lifting ring adapter has the advantages of overcoming various defects of existing dual-bearing channel top drive, due to the fact that the lifting ring does not bear connection work of a hydraulic system, reducing design requirements and machining difficulties of the lifting ring adapter, and reducing cost.