The five signs of pre-diabetes are not always present, and the onset of symptoms varies from person to person. There may be overweight, abdominal obesity, high blood pressure, slow wound healing, etc., and blood glucose changes should be monitored. 1. Excess weight: one of the main risk factors for type 2 diabetes is obesity, most patients with prediabetes are overweight, should reduce carbohydrate intake, appropriate weight loss, weight control. 2. Abdominal obesity: some patients with pre-diabetes abdominal obesity, that is, thick waist, abdominal fat accumulation, leading to an increase in the incidence of cardiovascular disease, and hypertension, heart disease, etc. is also a risk factor for diabetes. 3. High blood pressure: clinically, many hypertensive patients are accompanied by diabetes. 4. Slow wound healing: High blood sugar affects blood flow, making it difficult for wounds to heal. Pre-diabetes is mild and should be treated promptly to avoid developing into diabetes.