There are several causes of dizziness and brain swelling, mainly caused by neurological disorders and other diseases, the common ones are: 1. Insomnia, which refers to shortened sleep time or reduced sleep quality. Insomnia causes insufficient blood supply to the cerebral arteries leading to symptoms of dizziness; 2. Hypertension, if patients with hypertension have unstable blood pressure control, it can cause insufficient blood supply to the cerebral arteries, cerebral hemorrhage, cerebral infarction and other diseases, leading to symptoms such as dizziness and headache, and if there is cerebrovascular disease, it may also cause symptoms such as numbness in the limbs; 3. Acute upper respiratory tract infection, most acute upper respiratory tract infections are caused by viral infections , common clinical symptoms include dizziness, headache, fever, and runny nose, etc. In addition glaucoma, anemia, brain tumors and other diseases may also cause dizziness, brain swelling and other symptoms, usually rest on time, do not stay up late, a light diet, and appropriate exercise.