Objective To explore the risk factors,clinical characteristics,prevention and treatment of posttraumatic epilepsy. Methods All the 79 patients received conventional antiepileptic drugs treatment,among which 35 patients with intractable posttraumatic epilepsy underwent surgical treatment under intro-operative electrocorticogram monitoring. The surgery included resection of the epileptogenic focus,anterior temporal lobectomy,selective amygdalo-hippocampectomy,anterior corpus callosotomy and multiple subpial t...