Mark Column

The utility model relates to a mark column which is composed of a bracket, a tape storage disc, a mark tape and a positioning joint, wherein the tape storage disc comprises a housing and a hollow pin roller, and the hollow pin roller is positioned in the tape storage disc by using an axial line of the tape storage disc as the center of a circle and is movably matched with the tape storage disc; the upper end of the bracket is provided with a rabbet which is sheathed with the hollow pin roller; the mark tape is wound outside the hollow pin roller; one end of the mark tape is fixed on the hollow pin roller, and the other end of the mark tape is connected with the positioning joint. The utility model overcomes the defects of large size and primitive structure of a common mark column. The utility model has the advantages of simple and compact structure, convenient use, portability and easy collection.