Diabetes prevention is as follows: 1, primary prevention: from the healthy population for education, direct blood relatives have diabetes or overweight, the nature of work mainly in the office and other high-risk groups, we should pay attention to regular screening, through physical exercise, diet control to prevent diabetes; 2, secondary prevention: early detection, early diagnosis, early treatment, regular screening physical examination, timely detection of diabetes, blood sugar is not normal or has been diagnosed diabetes When diabetes is diagnosed, we should actively prevent complications through lifestyle and even drug interventions to prevent complications; 3. Tertiary prevention: prevent the occurrence and development of complications of diabetes, improve the quality of life and life expectancy.