Fasting blood glucose 13mmol/L if considered as diabetes, treatment includes improving lifestyle, adjusting diet and moderate exercise. If the blood glucose still can’t be reduced, it is necessary to apply hypoglycemic drugs and insulin therapy under the guidance of doctors. 1. Diet and exercise therapy: control the total daily calorie intake, rational and balanced distribution of various nutrients, moderate exercise to increase insulin sensitivity. 2. Oral hypoglycemic drugs: such as metformin, glipizide, Repaglinide, acarbose, etc., used alone or in combination according to the blood glucose level, monitoring blood glucose, liver function and kidney function during the process of use, adjusting the drugs and dosage according to the indicators. 3. Insulin: such as Mentholatum insulin, Glycine insulin, etc., should start from a small dose on the basis of improving lifestyle, diet and exercise, and adjust to the appropriate level according to the blood glucose level. For those with fasting blood glucose 13mmol/L, they should go to endocrinology department of regular hospitals for consultation, and use medication and adjust the dosage under the guidance of doctors.