The emergence of diabetes can be prevented through a healthy lifestyle and screening for diabetes among susceptible people. 1. Lifestyle: Eat a sensible diet, control calorie intake, eat small meals, exercise moderately, and eat less high sugar foods such as cream cakes and drinks. Maintain normal body weight and pay attention to controlling high blood pressure and high blood fat. Quit smoking and limit alcohol consumption, and maintain psychological balance. 2. Diabetes screening: Regular blood glucose screening for people with a family history of diabetes, high blood fat, high blood pressure, overweight or obesity, etc. It is recommended to use simple blood glucose screening, and once abnormal blood glucose is found, early intervention should be carried out. It is recommended that patients go to regular hospitals to do relevant examinations and follow the doctor’s instructions for treatment to avoid delaying their condition.