The utility model relates to a packing button technology field, especially to a packing steel button which is convenient in use, fixed in packing, simple in structure and can be used in cycle. The utility model comprises a big and a small steel button which are in U shape. One side of the small U shaped steel button is connected with one side of the big U shaped steel button whose sides are close to each other. Two sides of the small U shaped steel button are respectively arranged on the upper and lower part of the plane formed by two sides of the big U shaped steel button. The side of the small U shaped steel button is adjacent to the corresponding side of the big U shaped steel button and a smaller space is provided between the two sides. The utility model can effectively solve the problems of convenience, fastening and stability of tightening and can be widely used for the packing of all kinds of articles.