The present invention discloses a spinal surgical tool and a method of guiding thereof. The spinal surgical tool is operated with a precedent device. The precedent device includes at least a guiding member. The spinal surgical tool includes an operation part, an extension part, a handling part and a guided part. One end of the extension part connects to the operation part. The other end of the extension part connects to the handling part. The guided part is disposed on the extension part and includes at least one guided hole. The operation part is guided to approach the precedent device by passing the guided hole through the guiding member.本發明揭露一種脊椎手術工具及導引脊椎手術工具之方法。脊椎手術工具是與一先行裝置配合使用。先行裝置包括至少一導引件。脊椎手術工具包括一操作部、一延長部、一握持部以及一導引部。延長部的一端連接於操作部。握持部連接於延長部的另一端。導引部設置於延長部,導引部具有至少一導引孔。導引件穿過導引孔,以導引操作部接近先行裝置。1‧‧‧脊椎手術工具11‧‧‧操作部12‧‧‧延長部13‧‧‧握持部14‧‧‧導引部141‧‧‧導引孔C‧‧‧中心線
