The invention relates to triangular wood. The structure of the triangular wood comprises a triangular pipe, a triangular column, a nail and a handle. The triangular pipe is made by metal material. Nail holes are arrayed on the exterior of the triangular pipe. The triangular column is made by wood and packed into the triangular pipe. Three surface of the triangular column can be firmly secured on three inner surfaces of the triangular pipe. The three-square angle of the triangular column can be firmly secured on the inner three-square angle of the triangular pipe. The nail is made by metal material and penetrates through the nail holes of the triangular pipe into the triangular column such that the triangular pipe is firmly connected with the triangular column. The handle is in the shape of a column and arranged at the back end of the triangular column.