PURPOSE: An underground embed type tree supporter is provided to stably fix a tree. CONSTITUTION: A tree supporter includes a base material (100), an upper belt, and a side belt. The upper belt surrounds a tree from the upper side of an earth ball. The side belt connects the base material and the upper belt. The base material includes plural bars (111), a supporting board in a crossing shape, and plural anchors (120). An insertion unit is formed on the end part of the bars. One ends of the anchors are inserted into the insertion unit, or the insertion unit is formed on the end part of the anchors. One of the anchors and the bars are inserted into the other one. A supporting plate (130) is located on the other end of the anchors. The total length of the anchors and the bars exposed to the outside is controlled.식재 구덩이의 측벽을 박는 방식의 지하 매설형 수목 지지대에 대한 것이다. 본 발명의 수목 지지대는 말뚝을 박지 않고 뿌리분의 크기나 형태가 일정하지 않아도, 수목을 안정적으로 지지할 수 있다.
