About some kind of tea to lower blood sugar claims belong to the prescription, not scientific, high blood sugar is not so-called drink what tea is best, blood sugar control can be controlled by controlling the diet, oral medication, subcutaneous injection of insulin and so on. 1. Diet control. Tea and other foods do not have the effect of lowering blood sugar. You can change the diet structure, reduce the intake of fatty foods, calculate the daily energy intake strictly according to your ideal body weight and make nutritional distribution, so as to reduce the burden on pancreatic islets and control blood sugar. 2. Oral medication. Commonly used oral hypoglycemic drugs include metformin, acarbose, rosiglitazone, glimepiride tablets, etc., which need to be chosen under the guidance of doctors according to their own blood sugar control. 3. Subcutaneous insulin injection. For those who are not satisfied with the blood sugar control effect of oral hypoglycemic drugs, insulin injection can be used, gradually adjusted from a small dose to increase, and can also be used for the treatment of type 1 diabetes. Abnormal blood glucose should be timely to the hospital, by the doctor to guide the use of drugs and treatment, do not trust the dietary prescriptions.