Prediabetes refers to the pre-diabetes stage. Diet and exercise are usually recommended to lower blood glucose, and if blood glucose cannot be controlled, medication is recommended under a doctor’s supervision. General pre-diabetes blood glucose value has not reached the degree of diagnosis of diabetes, but has exceeded the normal range, at this time it is recommended that diet and exercise therapy to control blood glucose, if still unable to control blood glucose, you can follow the doctor’s instructions to take medication. 1. Adhere to a reasonable and balanced diabetic diet. Usually based on the patient’s height, weight and labor intensity, to determine the total calories a day, the need for a reasonable distribution of carbohydrates, proteins and fat intake, an appropriate increase in dietary fiber intake, low-fat diet. 2. Regular exercise is recommended. It is recommended that pre-diabetic patients engage in moderate aerobic exercise, including swimming and brisk walking. Pre-diabetic patients need to measure their blood glucose regularly and are advised to consult the endocrinologist for treatment under the guidance of the doctor.