The first one is to see if he has cerebrofacial hemangioma by the doctor’s visual examination. The second is to see if the skin all over the body has milk coffee spots and if there are sebaceous adenomas. These tests are usually done through the doctor’s eyes. The medical examination, which includes two aspects, the first one is about the brain examination and the second one is about the whole body examination. The brain examination includes imaging, which usually includes magnetic resonance imaging, intracranial vascular arteriovenous imaging, which is the examination of the brain structure, and more advanced examination, which is SPECT or PET, which is the imaging part. Secondly, in the diagnosis of epilepsy, it is necessary to check whether there are abnormal discharges in the head. The abnormal discharges are generally recorded through the cortical EEG, so it is necessary to do EEG, which is a brain examination. The second test is a blood test, for example, hypoglycemia and hyperglycemia can cause seizures, electrolyte disorders, or some biochemical abnormalities in the body, such as lupus, can affect seizures, so the test includes brain tests and whole body blood tests.