Abnormal glucose tolerance refers to abnormal glucose tolerance, patients need to control diet and exercise in daily life, need to regularly monitor the fasting, 2 hours after meal glucose level, the combination of self-measurement of fingertip glucose at home and venous glucose measurement in the hospital, and review under the guidance of the doctor. Abnormal glucose tolerance refers to fasting venous plasma glucose <7.0mmol/L, and 2 hours after the oral glucose tolerance test, venous plasma glucose ≥ 7.8mmol/L, but <11.1mmol/L, is a metabolic state between diabetes mellitus and normoglycemia, and is prone to develop diabetes mellitus, which requires regular review. Patients should pay attention to diet control, moderate exercise, and follow the doctor’s instructions to actively control blood glucose levels to avoid further elevation of blood glucose. If abnormal glucose tolerance occurs, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examinations, clarify the cause of the disease and standardize the treatment.