The most effective way to lower blood sugar is to take hypoglycemic drugs or insulin under the guidance of an endocrinologist. Drinking beverages, health products, tea, etc. generally do not have the effect of lowering blood sugar. In daily life, to lower blood sugar, we need to control body weight, appropriate participation in physical exercise, should try to control the intake of high-calorie food, as far as possible, do not drink sugary drinks; not recommended to eat sweets, fried food, etc.. Appropriate intake of fresh vegetables and fruits with low glycemic index is recommended. Diabetic patients are recommended to take glucose-lowering drug therapy under doctor’s guidance, such as metformin and acarbose. If the effect of lowering sugar is not good, you can follow the doctor’s advice to inject insulin. People with high blood sugar are advised to follow the doctor’s instructions for treatment.