Provided is full-automatic stud welding equipment. The full-automatic stud welding equipment comprises a rack, a welding mechanism, a workpiece clamp mechanism, a welding gun chamber mechanism, a conveyor belt mechanism, a workpiece manipulator mechanism, a stud feeding mechanism and a to-be-welded workpiece box. The welding mechanism comprises a longitudinal movement cross beam, a transverse movement shaft, a vertical movement shaft and a welding gun. The welding gun chamber comprises a case, a shaft cover, a welding gun chamber rotary shaft, welding gun clamps, springs and a disk. The conveyor belt mechanism comprises a rack, a belt, rollers, bearings, a motor, a first chain wheel, a second chain wheel, a first chain and a second chain. The workpiece manipulator mechanism comprises a machine base, a manipulator rotary shaft, a lifting shaft, a manipulator moving shaft and a chassis. The full-automatic stud welding equipment can achieve automation of the whole stud welding process, time and labor are saved, the production efficiency can be improved, the workpiece positioning precision is high, and meanwhile, the problem that the diameter of studs welded by a single stud welding machine is simplex is solved.