The utility model belongs to cell -phone accessory field provides a cell -phone data line fixing device, including cell -phone data line, a piece and no. Two pieces, the cell -phone data line includes flexible glue position and ebonite position, the well on -line of a piece is provided with two relative U -shaped recesses, the one end outer wall of U -shaped recess is provided with the concave position of gradual change, the center part of no. Two pieces is provided with big hole, the downthehole wall of imperial palace is provided with the bump, the utility model discloses simple structure, the cell -phone data line can effectively be fixed to the installation of being convenient for, prevents that data line flexible glue position and ebonite position from taking place not hard uply or damaged and leading to using.