When glucose tolerance is impaired, it can be restored to normal by controlling diet, appropriate exercise and active treatment of primary diseases, and if necessary, medication such as acarbose can be taken under the guidance of a doctor. 1. Diet control: Limit the total daily intake, reduce foods with high sugar content, and avoid fried and stimulating foods. Keep a light diet in daily life, eat less and more frequent meals, and increase the intake of vegetables and fruits appropriately. 2. Appropriate exercise: choose jogging, hiking, swimming and other suitable exercises to control body weight. 3. Active treatment of primary diseases: If you suffer from high blood fat, high blood pressure and other diseases, it will also trigger impaired glucose tolerance, and you need to treat the primary diseases. 4. Medication: If necessary, medication can be taken under the guidance of a doctor, such as acarbose, which can be used to reduce postprandial blood glucose in people with impaired glucose tolerance. It is recommended that patients with impaired glucose tolerance should consult a doctor in time.