Abstract： Objective To investigate the surgical methods and effectiveness of pure electrocoagulation on cerebral cortex for epilepsy involving eloquent areas. Method 15 patients who underwent pure electro - coagulation on cerebral cortexes for epilepsy involving eloquent areas from 2002 to 2008 were evaluated retrospectively. The seizure outcome and complications were described. Results Seven patients had hemiparesis after operation. All neurological deficits were temporary in the sense that they ultimately did not result in a deficit that would be noticed during a standard clinical examination. There were no subdural hemorrhage and infection. Six of the 15 patients were Engel Class Ⅰ , two were Class Ⅱ , five were Class Ⅲ, and two were Class Ⅳ. Conclusions Seizures could be effectively controlled through pure electrocoagulation on cerebral cortexes for epilepsy involving eloquent areas, and minimal neurological function was impaired.