The normal value of fasting blood glucose is below 6.0mmol/L, 6.1～6.9mmol/L is considered as impaired fasting blood glucose, which belongs to pre-diabetes, and mainly focuses on dietary control and moderate exercise, and can be treated without medication for the time being. 1. Diet control: low sugar, low salt, low fat diet, maintain ideal body weight, reasonable control of total calories, small meals, comprehensive nutrition, and develop good eating habits. 2. Moderate exercise: according to their own situation, regular exercise under the guidance of the doctor, should not be sedentary, you can choose swimming, climbing, jogging and other sports. Patients with impaired fasting blood glucose should seek timely medical attention and self-monitor their blood glucose on a daily basis.