PURPOSE: A wood pillar in-ground installation method and members of the wood pillar are provided to improve a survival rate of tree by preventing a phenomenon of transplanted trees swaying by wind.CONSTITUTION: A wood pillar in-ground installation method comprises steps of: standing three ground-rooted trees(34) in a space between a periphery of an earth ball of plants settled in a hole in the ground for planting and an inner wall of the hole in the ground planting the ground-rooted trees with the plants in the ground by filling the space between the earth ball of the plants and the hole in the ground with soil connecting outsides of an upper end part of the ground-rooted trees with a wire rope or an iron wire followed by mounting a turnbuckle for tightening tightening the connected wire rope or the iron wire by using the turnbuckle and forming a truss of a tripod form in the ground covering with soil so that the upper end part of the ground-rooted trees, the wire rope, the turnbuckle, and the like are not exposed on a surface of the ground after forming the truss of a tripod form.COPYRIGHT KIPO 2013본 발명은 이식한 수목이 바람 등으로 부터 흔들리는 현상을 방지하여 수목의 생존율을 높이고, 종래의 지상노출형 지주목(支柱木)이 갖는 사후관리 불편, 보행자 안전사고 발생, 수목줄기 옥조임, 조경환경 훼손 등의 제반 문제점을 해결하기 위한 수목의 지지 방법에 관한 것으로본 발명은 친환경 소재인 목재로 제작한 볼트(bolt)및 앵커(Anchor)형태의 지근목(支根木)을 이용하여 이식할 수목이 굴취과정에서 절단·제거된 뿌리의 기능을 보완·지중에서 수목을 지지하는 방법과 그에 소요되는 지근목의 제공에 관한 것이다.