To　improve　the　formability　of　W-rare　earth　electrode,　the　influence　of　high-energy　pulse　on　the　plasticity　property　of　W-CeO2　rods　was　investigated.　The　effects　of　current　density　(J　(0)),　pulse　width　(t　(w)),　frequency　(f),　and　strain　rate　on　the　plasticity　of　W-CeO2　rods　were　discussed　in　detail.　Results　of　tensile　tests　show　that　the　W-CeO2　rods　applied　with　the　electrical　pulses　obtain　a　maximum　percentage　total　elongation　at　fracture　(9.65　%),　increased　by　118.7　%　compared　to　that　without　pulses.　This　is　owing　to　both　the　heat　effect　and　the　interaction　of　current　between　dislocations　and　rare　earth　additions.　Electron　back　scattered　diffraction　(EBSD)-generated　grain　boundary　(GB)　maps　suggest　that　the　length　of　low-angle　grain　boundaries　composed　of　high-density　dislocations　decreases　after　deformation　while　applying　the　pulse　current.　This　demonstrates　that　the　short-duration　pulsed　current　enhances　the　mobility　of　dislocations.　Scanning　electron　microscopy　(SEM)　images　of　the　rods　after　deformation　with　the　pulse　current　show　that　the　long　fiber-shaped　additions　become　discontinuous,　which　could　reduce　the　stress　concentration　and　hinder　the　crack　propagation.