Seizures still occur during the drinking of medication in epilepsy, it is not necessarily an aggravation of the condition, but there are several possibilities: 1, irregular medication time, patients who take medication irregularly, may lead to large fluctuations in blood concentration, especially at night when the blood concentration is not enough to control the symptoms of the requirements of the seizure is prone to clinical seizures. 2, other special triggers, the patient in the period of medication, even if the symptom control is good, if you do not pay attention to avoiding the Common triggers are staying up late, excessive excitement, alcohol consumption, flash stimulation in dark places or excessive ventilation, etc. Infection is also a common trigger. 3, weight gain, most common in children or teenage patients, because the patient is still in the growth and development period, if the weight of the drug dose does not change, it will lead to a decrease in the blood concentration of the drug, and can not reach the standard of symptom control, so it is necessary to monitor the blood concentration, according to the patient’s symptoms. Blood concentration, according to the patient’s symptoms, signs and seizures to adjust the dose.