At present, domestic, including international, there is no light, medium, degree of diabetes classification, according to clinical experience, fasting blood glucose between 7-10mmol / L can be considered mildly elevated, belonging to the early stage of diabetes mellitus, treatment should pay attention to the control of the diet and appropriate exercise after meals. Oral hypoglycemic drugs can be chosen as the treatment program. Oral hypoglycemic drugs choose one or two kinds of hypoglycemic drugs treatment, can achieve better therapeutic effect. Patients can choose metformin as the basic drug, on the basis of which can be combined with SGLT-2 inhibitors, sulfonylureas, DPP-4 inhibitors, glycosidase inhibitors, etc., all can effectively control blood sugar.