Stud disassembling and assembling tool

The utility model relates to the technical field of disassembling and assembling tools. The utility model provides a stud disassembling and assembling tool. Wherein the first nut is used for being inthreaded connection with a stud, and the second nut is arranged on the first nut along a rotating shaft of the first nut and is coaxial with the first nut. The pushing bolt is coaxially connected withthe second nut in a threaded mode and used for increasing static friction force between the first nut and the stud, and the pushing bolt is used for moving along a rotating shaft of the first nut soas to push against and separate from the end, located in the first nut, of the stud; the stud disassembling and assembling tool provided by the utility model has the advantages that the stud disassembling and assembling tool has the following advantages; the bolt is pushed against the end part of the stud through the pushing bolt; according to the double-screw bolt, the abutting force between theexternal thread of the doubl