The causes of epilepsy are complex and diverse, and the common ones are mainly the following: i. Genetic factors account for an important proportion in the development of epilepsy, and some patients have a clear family history of inheritance. Second, congenital dysplasia, such as congenital hydrocephalus, congenital cerebral palsy, chromosomal abnormalities, etc. Third, birth injury is a common cause of symptomatic epilepsy in infancy, with contusions, edema, and bleeding in the brain during birth, resulting in localized lesions. IV. High fever convulsions, severe high fever that does not subside, and spasms and convulsions in the pediatric population. V. Traumatic brain injury, sequelae of brain injury, with different types of seizures due to different degrees of injury. VI. Severe bacterial infection or viral infection, meningitis, brain abscess, viral encephalitis, tuberculous meningitis, etc. Seven, toxic factors, such as carbon monoxide, ethanol, uremia, hypertensive syndrome of pregnancy, etc. Cerebrovascular diseases, such as cerebral infarction, cerebrovascular malformation, brain tumor, etc. can cause epilepsy. Nine, nutritional metabolic diseases, such as rickets in children, adult hypoglycemia, diabetes, hyperthyroidism, vitamin B6 deficiency.