The invention discloses a fully automatic hot upset head production system for railway screw spikes. The fully automatic hot upset head production system comprises a heating device and a grasping device, wherein the heating device comprises an automatic feeding machine, a medium-frequency heating groove, a medium frequency heating power supply and a rotation pulsation feeding mechanism; the discharging end of the automatic feeding machine is arranged at a notch formed in the top of the medium-frequency heating groove; the medium frequency heating power supply is connected with and controls the medium frequency heating groove; the rotation pulsation feeding mechanism is in a circular disc shape and is arranged at a notch formed in the bottom of the medium frequency heating groove; the grasping device comprises a first mechanical hand, a first guide rail, a second mechanical hand, a second guide rail, an upset head mold and a feeding slide groove; the inlet of the feeding slide groove is formed in the rotation pulsation feeding mechanism; the first guide rail and the second guide rail are arranged in the same line; in addition, the upset head mold is arranged between the first guide rail and the second guide rail, and is provided with a punching bed material jacking mechanism. The fully automatic hot upset head production system has the beneficial effect that the fully automatic production is realized.