Diabetes is a chronic metabolic disease with elevated blood glucose as the main cause. Diabetic patients with long-term poor blood glucose control are prone to a variety of chronic complications such as heart, brain, kidney, nerve, and fundus, with a variety of clinical manifestations. The following conditions should be considered when a diabetic patient experiences dizziness: 1. high blood sugar, when a diabetic patient’s blood sugar rises significantly, it can affect the blood supply to the brain and lead to dizziness. 2. hypoglycemia, when a diabetic patient is receiving oral hypoglycemic drugs or insulin therapy, when irregular eating or excessive doses of drugs occur, it can also easily lead to dizziness. 3. combined with hypertension and hyperlipidemia. When diabetes is combined with hypertension and hyperlipidemia, the abnormalities of blood pressure and lipid may also lead to dizziness. 4, atherosclerosis, long-term poor blood sugar control of diabetic patients, easily combined with large-vessel atherosclerosis, serious cases of cerebral infarction, coronary heart disease, angina pectoris, myocardial infarction, etc., can occur dizziness symptoms. 5, other, when diabetes is combined with neuropathy, anemia, postural hypotension and other diseases. When diabetes is combined with neuropathy, anemia, postural hypotension and other diseases, the symptoms of dizziness are also likely to occur.