Impaired fasting blood glucose means fasting blood glucose between 6.1~7.0mmol/L and blood glucose ≤7.8mmol/L after 2 hours of glucose loading. impaired fasting blood glucose belongs to the pre-diabetes stage, which is usually treated with non-pharmacological treatments such as medical nutritional therapy, exercise therapy, and monitoring of the condition. 1. Medical nutritional therapy: including reasonable control of total calories, nutrient distribution to ensure that daily carbohydrates accounted for 50%~65% of total calories, protein accounted for 15%~20%, and fat accounted for 20%~30%. 2. Exercise therapy: according to the age, gender, physical strength, condition, the presence of complications and previous exercise for reasonable exercise, can choose fast walking, jogging, cycling, swimming and other aerobic exercise. 3. Condition detection: For people with impaired fasting blood glucose who have not yet reached the diagnosis of diabetes, they need to be tested regularly for glycated hemoglobin, blood lipids, heart, kidney, fundus, etc. If the effect of diet and exercise interventions is not satisfactory, they should be tested regularly for diabetes. If the effect of diet and exercise intervention is not good, you can consider drug intervention, can follow the doctor’s instructions to use metformin, acarbose and other drugs. If the blood sugar test is abnormal, it is recommended to go to a regular hospital to avoid delaying the condition.