Measures to prevent diabetes mainly include self-monitoring, reasonable diet and increasing exercise activities. 1. Self-monitoring: People with a family history of diabetes, obese and overweight people (BMI ≥24kg/㎡, waist circumference ≥90㎝ for men and ≥85㎝ for women), and people with high blood pressure (blood pressure ≥140/90mmHg) should have their fasting blood glucose and/or oral glucose tolerance tested once a year. People with impaired glucose tolerance should especially strengthen self-monitoring. 2. Adhere to a reasonable diet: pay attention to the daily diet to control the intake of total energy, salt and fat, adopt a light diet with small meals and no more than 6g of salt per day. 3. Increase exercise activities: Exercise can increase the body’s metabolic level, increase calorie consumption, reduce fat accumulation, improve insulin resistance, and play a preventive role. Reduce sedentary time in daily work life, no more than 30 minutes each time. To summarize, do the above points, generally can be very good to prevent the onset of diabetes.