The patient likes to repeat the same idea, tell the same story over and over again, and is unable to develop his or her thoughts. The pathological superfluousness caused by epilepsy is a serious threat to the health of patients, and early understanding of its causes can help in early detection and treatment. The reason for the pathological superfluous caused by epilepsy is as follows: 1, brain injury and brain damage: brain damage and brain injury, viral infection during embryonic development, radiation exposure or other causes of embryonic dysplasia can cause epilepsy fetal birth process, birth injury is also a major cause of epilepsy cranio-cerebral trauma can also cause epilepsy. 2, their own factors: epilepsy patients in fever, systemic infection, surgery, high mental tension and over fatigue, even if the maintenance of effective blood drug concentration can induce persistent state. Food poisoning, drug poisoning, alcohol consumption, overexertion, pregnancy and childbirth are common causes of epilepsy persistence. In addition, water and electrolyte disorders and congenital metabolic abnormalities can also lead to the occurrence of epilepsy persistence. 3, cranial diseases: other diseases of the cranium, brain tumors, cerebrovascular disease, intracranial infections, etc. 4, genetic factors: In some families of patients with a history of epilepsy or congenital central nervous system or heart malformations are prone to epilepsy.