“Fasting glucose 6.88” generally refers to fasting blood glucose 6.88mmol/L. Fasting blood glucose 6.88mmol/L is high and abnormal for normal people; for diabetic patients it is within the target range and normal. 1. The normal value of fasting blood glucose for normal people is between 3.9~6.1mmol/L, so fasting blood glucose 6.88mmol/L is high, and it is recommended to consult a professional doctor for a clear diagnosis. 2. For patients who have been diagnosed with diabetes in the past, fasting blood glucose should be controlled between 4.4 and 7.0 mmol/L. Therefore, fasting blood glucose of 6.88 mmol/L has reached the control target, and can be continued with the current treatment program. If blood glucose is found to exceed the normal range, patients should go to the endocrinology department of the local hospital, under the guidance of the doctor to choose the appropriate treatment, and usually should pay attention to the appropriate enhancement of physical activity, pay attention to diet.