This paper describes the regeneration mechanism of electrochemical regeneration technology, and emphatically introduces the effects of current density, regeneration time, electrolyte, electrolyte mass concentration, pH value and regeneration position on GAC regeneration efficiency, and the reactor for electrochemical regeneration of GAC. Finally, the development trend of electrochemical regeneration method is discussed, and it is pointed out that optimizing mechanism, developing other technologies based on electricity, and exploring the combination of electrochemistry and other technologies are the future research focuses of electrochemical regeneration of granular activated carbon. [ABSTRACT FROM AUTHOR]