Special tool for exchanging pumping well head packing

The utility model relates to a special tool for exchanging a pumping well head packing. The special tool is provided with a pry bar which is provided with a spiral groove on the lower portion. The spiral groove is in an anticlockwise spiral structure, the spiral groove and the pry bar axis form an angle of 45 degrees, a wedge-shaped pointed end is arranged at the lower end of the pry bar, and a stress applying component is arranged at the upper end of the pry bar. When the tool is used, rapid exchanging of the pumping well head packing can be achieved, labor intensity is reduced, and working efficiency is improved. The tool is not only applicable to exchange a low-pressure packing, but also a high-pressure packing; and the tool has the advantages of being convenient to operate, not easy to damage, time saving, labor saving, wide in applicable range and the like.