Dizziness at the age of 55 may be caused by elevated blood pressure, which should be monitored, and if elevated, blood pressure-lowering medications should be given, commonly used medications include levamlodipine, amlodipine benzenesulfonate, nifedipine sustained-release tablets, nifedipine controlled-release tablets, and valsartan, irbesartan. It may also be caused by insufficient blood supply to the brain, which includes insufficient blood supply to the internal carotid artery system and insufficient blood supply to the vertebral basilar artery system. Patients with insufficient blood supply to the vertebral basilar artery system may experience dizziness, nausea, vomiting, as well as balance disorders and ataxia. If the patient is a young person, most of them are caused by mental tension and stress, and the main thing is to let the patient relax and reduce the pressure. If the patients are middle-aged or elderly, most of them are caused by atherosclerosis, and the patients usually have hypertension, diabetes mellitus, and hyperlipidemia. Patients with hyperlipidemia should be treated with oral statins, such as simvastatin and resuvastatin, to regulate lipids. Patients with diabetes mellitus should mainly be given hypoglycemic treatment, commonly used drugs are metformin and reglanatide, and antiplatelet aggregation treatment, the main drugs are aspirin and clopidogrel, and given to improve blood circulation treatment, usually applying ciprofloxacin and ginkgo biloba drip pill.