For the causes and triggers of epilepsy, the following preventive measures can be taken: 1. Prevent intracranial infection: prevent encephalitis and meningitis; actively treat the acute phase to prevent sequelae; those who have convulsions should use antiepileptic drugs in adequate amounts in a timely manner. 2, prevention of traumatic brain injury: prevention of various accidents, reduce traumatic brain injury, traumatic brain injury patients can routinely take anti-epileptic drugs to prevent epilepsy. Prevent pediatric febrile convulsions: control pediatric fever to prevent convulsions; appropriate anti-epileptic agents can prevent recurrence of pediatric febrile convulsions and prevent the transformation of febrile convulsions into epilepsy. 4, strengthen maternal health: avoid pregnancy infection, alcohol abuse, smoking, to ensure that the fetal development is intact. 5, avoid neonatal birth injuries: timely management of obstructed labor, prevent birth asphyxia of newborns, avoid epilepsy caused by hypoxia, asphyxia and birth injuries. 6, patients who already have epilepsy should build confidence: active treatment to reduce and stop seizures can help reduce the complications of epilepsy; at the same time, avoid triggering factors, such as alcohol consumption, fatigue, overeating, insomnia, emotional excitement, infection and fever, panic, etc. 7, prevention of recurrence of epilepsy: epilepsy patients through reasonable treatment, the treatment can be controlled and stable, in order to prevent recurrence, on the one hand, to avoid the triggering factors of epilepsy, on the other hand, to long-term regular intake of appropriate anti-epileptic drugs, until complete control 2 to 3 years after the consideration of the reduction of anti-epileptic drugs, to prevent premature discontinuation of drugs and recurrent.