The normal value of glycated hemoglobin is 4%-6%, glycated hemoglobin 11.5%, much higher than the normal range, there is a possibility of diabetes mellitus, it is recommended to go to the endocrinology department of the regular hospital to perform relevant tests to confirm the diagnosis. If the patient also has symptoms such as excessive drinking, excessive eating, excessive urination, weight loss, etc., it can be diagnosed as diabetes mellitus. If diagnosed with diabetes, diabetes can be treated through the five links of diabetes diet, exercise, medication, blood glucose monitoring and diabetes self-management education. 1. Diabetic diet: the main principle is to reasonably control the total calorie intake to achieve or maintain the ideal body weight; balanced diet, choose diversified, nutritionally sound food. Drinking more water, limiting alcohol consumption; insisting on small meals, regular meals, and so on. 2. Exercise: Exercise can increase insulin sensitivity and help control blood sugar and body weight. Aerobic exercise is the best way to exercise, step by step, and insist on it for a long time. 3. Drugs: Glyburide, Glipizide, Gliclazide and other hypoglycemic drugs can be chosen according to the patient’s condition. 4. Blood glucose monitoring: regular monitoring of blood glucose to keep it at a stable level, timely detection of blood glucose changes can be timely treatment. 5. Diabetes self-management education: to systematically learn the basics of diabetes, and try to find the suspected symptoms, timely access to medical care. If the glycated hemoglobin is still higher than normal after lifestyle modification, you should consult the doctor in time to clarify the cause of the disease and carry out treatment under the doctor’s guidance.