Porcelain brick seam finishing device

The utility model relates to a tile joint repairing tool. A handle presents a flat block shape, the top surface of the handle is a smooth surface, the middle parts of the two sides of the handle are provided with hand holding holes, the bottom surface of the handle is provided with a long groove in which at least one steel saw blade is embedded and fixed, the total thickness of the steel saw blade matches with the width of the tile joint, and the edge side of the steel saw blade is exposed outside. An adjusting filling piece is arranged between the side wall of the groove and the steel saw blade, pin holes are arranged on the steel saw blade and the adjusting filling piece, and the handle, the steel saw blade as well as the adjusting filling piece are fixedly connected by pins. The tile joint repairing tool has the advantages of simple process, low cost, convenience and practicality, and quick construction. When a surface tile after being pasted needs to redo, one hand holds the back of the handle to push and