Neurology does not have the so-called common 5 diseases say, the incidence of higher diseases including primary headache, cerebral infarction, sciatica, facial neuritis and so on. 1. Primary headache. Including tension headache, migraine and so on. The onset of tension headache is characterized by an obvious tightening sensation in the head, accompanied by dull pain and other symptoms. Migraine headache has throbbing sensation in the head and is sensitive to sound and light. 2. Cerebral infarction. Mainly related to cerebral atherosclerosis, the onset of the disease can suddenly appear slurred speech, tilted mouth and eyes, unilateral or lateral limb weakness and other symptoms. 3. Sciatica. This disease is mainly caused by the rupture of the medullary ring of the lumbar vertebrae and the protrusion of the nucleus pulposus, which compresses the lumbar nerve roots. Other causes include sacroiliac arthropathy, lumbar spinal stenosis, pyriformis syndrome and so on. 4. Facial neuritis. This disease is related to viral infection and manifests itself in the disappearance of frontal lines, tilted mouth and eyes, puffed cheeks and leakage of air. If there is any discomfort, it is recommended to go to the hospital as soon as possible to avoid blindly using medication on your own.