Impaired fasting glucose should be treated with lifestyle interventions under the guidance of a physician, combined with medication if necessary. Impaired fasting blood glucose is defined as fasting blood glucose higher than 6.1 mmol/L, but not reaching 7.0 mmol/L, and 2-hour postprandial blood glucose lower than 7.8 mmol/L, which is prediabetic. The following treatment measures can be taken. 1. Life intervention: those with impaired fasting blood glucose should first restrict their diet. Reasonably allocate the calorie intake of three meals to ensure the intake of carbohydrates, proteins, fats, vitamins and other nutrients. Minimize the intake of high salt, high sugar, high fat food. Secondly, you should actively exercise, jogging, tai chi and other moderate-intensity exercises are recommended. 2. Medication: If blood glucose still fails to reach the control target after life intervention, or those who are unable to strictly carry out life intervention, they should follow the doctor’s instruction to take glucose-lowering drugs such as metformin for treatment. Fasting blood glucose impaired people who do not strictly control blood glucose, the condition is prone to further progress into diabetes, it is recommended to consult a doctor in a timely manner, in accordance with the doctor’s instructions for standardized treatment.