Epilepsy is not contagious and the disease includes primary and secondary. Primary epilepsy is epilepsy with an unclear cause, and some patients may have some genetic susceptibility. Secondary epilepsy refers to epilepsy with a clear etiology, causing secondary epilepsy, and common causes include abnormal cerebral cortical development, craniocerebral trauma, craniocerebral tumors, and infectious diseases of the central nervous system, including encephalitis and meningitis. Cerebrovascular disease, mainly seen in massive cerebral hemorrhage, large cerebral infarction, but also seen in subarachnoid hemorrhage. It can also occur in patients with systemic diseases, such as hyperthyroidism and diabetes mellitus, and if the patient has severe hypoglycemia. It can also be caused by motor eye disease or heart disease. Seizures in the heart are mostly caused by a decrease in the pumping function of the heart, causing ischemia and hypoxia in the brain.