There are two types of impaired fasting glucose: 1, pre-diabetes IGT, that is, impaired fasting glucose. Abnormal fasting glucose tolerance, in pre-diabetes advocate first diet exercise 2-3 months of treatment, can be reversed, it is recommended that obese patients lose weight, control weight, blood glucose can be achieved; 2, the process of dietary treatment, need to be based on the patient’s body type, abdomen, waist circumference of large obese patients, low calorie diet is particularly important. Radish, cabbage and other green leafy organic vegetables are low-calorie foods.