Screwdriver

The utility model provides a screwdriver and relates to the field of screwdrivers. The screwdriver comprises a screwdriver handle and a screwdriver rod, an insertion hole is formed in one end of the screwdriver handle, a containing channel extending in the axial direction of the screwdriver handle is formed in the screwdriver handle, the insertion hole is communicated with the containing channel, and the screwdriver rod is inserted into the containing channel in the storage state. A tool bit is arranged at one end of the tool bar, a rotation stopping head is arranged at the other end of the tool bar, a first mounting hole is formed in the end, away from the insertion hole, of the tool handle, and in the normal state, the rotation stopping head is inserted into the first mounting hole; a second installation hole is formed in the side face of the cutter handle, the hole axis of the second installation hole extends in the radial direction of the cutter handle, and in the labor-saving state, the rotation stopping