The presence of epilepsy in cerebral infarction is related to the site of occurrence and is a complication of cerebral infarction, which may indicate a worsening of the condition and may not be related to the condition. Cerebral infarction is a lesion caused by limited ischemic necrosis or softening of brain tissue. Its main causes are atherosclerosis of large arteries, cardiogenic embolism, and occlusion of small arteries. The main symptoms of cerebral infarction are hemiplegia, motor dysfunction, speech disorder, consciousness disorder, etc. If epilepsy occurs, it indicates that the site of cerebral infarction is close to the cortex or related to the parietal lobe, temporal lobe, frontal lobe, etc., and it is a complication of cerebral infarction, which is called secondary epilepsy. If epilepsy occurs in the acute stage of cerebral infarction, it may be related to the expansion of the area of cerebral infarction, which suggests the deterioration of the condition; if epilepsy occurs in the recovery stage or sequela of cerebral infarction, it may have no obvious correlation with the condition of cerebral infarction, but epileptic seizures can aggravate the hypoxia of the brain, which will affect the condition recovery. When epilepsy occurs in cerebral infarction, it is recommended to consult a doctor in time, cooperate with the doctor to improve the corresponding examination, and take scientific and effective treatment.