1, improper choice of drugs: inappropriate selection of drugs is an important reason why epilepsy is difficult to control. For example, for complex partial seizures, the main manifestation of transient loss of consciousness, no response to the surrounding environment, this kind of seizure if misdiagnosed as apoplectic seizure and given ethosuximide, will lead to aggravation of the condition. 2, can not adhere to the medication: epilepsy has its own developmental law, the treatment of medication must be systematic and complete, can not be taken according to the doctor’s instructions is a common cause of epilepsy recurrence, sudden stopping can cause epilepsy status quo, and sometimes the patient thought that the disease has been cured prematurely stopped, resulting in recurrence of epilepsy. Seizure control for a period of time, the patient thought that the disease has been cured prematurely stopping the drug, resulting in epilepsy recurrence, must pay attention to.