There are various ways to control blood sugar, starting with active dietary control, which means eating regularly and controlling carbohydrate intake. There is also active exercise, regular exercise, which helps to control blood sugar. With active diet control as well as increased exercise, oral medications can be taken to control blood sugar. Oral medications include sulfonylureas, metformin, and a-glucosidase inhibitors or sensitizers, all of which can control blood sugar well. In the case of poor control by oral drugs, insulin can be applied to treat. There are many kinds of insulin, such as rapid-acting, short-acting, intermediate-acting, long-acting, and premixed insulin, as well as insulin analogs, and all of these drugs can control blood glucose well, according to the patient’s specific situation to control blood glucose.