PURPOSE: Tree trunk restoring method and apparatus using a binding member are provided to firmly fix the cavity and fillers inside the tree trunk using the binding member. CONSTITUTION: A tree trunk restoring apparatus using a binding member comprises the following: the binding member partially inserted into the inner surface(S) of the cavity on the tree trunk(1)； fixing members(20) fixed to the binding member or other fixing members, crossing each other to the longitudinal or horizontal direction； a cover installed on an inlet of the cavity for preventing the loss of a filler(50), and protruded from the inlet to the outside； and a supporting member installed on the lower side of the cover. The cover is formed with a sheet. The fixing members include a protruded fixing member.본 발명에 따른 결속부재를 사용하는 나무의 수간 복원방법은, 나무의 수간에 발생된 공동의 내면에 결속부재를 구비하는 단계 및 상기 공동 내에 충진재를 채워 넣는 단계를 포함한다.그리고, 이를 위한 복원장치는, 나무의 수간에 발생된 공동의 내면에 구비되는 결속부재 및 상기 공동 내에 주입되는 충진재를 포함한다.
