There is no fastest and best way to regulate high blood sugar, but we need to regulate it through general treatment, medication, surgery and so on according to the specific condition under the guidance of the doctor. 1. General treatment: including reasonable diet, reduce the intake of high starch food, such as pasta, porridge and so on. Appropriate exercise, blood glucose monitoring and so on. 2. Drug treatment: such as sulfonylurea is mainly applied to newly diagnosed non-obese patients with type 2 diabetes mellitus, including glibenclamide, gliclazide, etc. when the blood sugar control is not satisfactory with diet and exercise; for patients with poor glycemic control, type 1 diabetes mellitus, etc., it is necessary to apply insulin treatment. 3. Surgery: For patients with elevated blood sugar caused by pheochromocytoma, pancreatic hyperglycemia and other diseases, timely surgery is needed to remove the tumor and achieve the purpose of controlling blood sugar. When you find high blood sugar, you should consult the doctor in time to find out the cause and standardize the treatment under the doctor’s guidance.