Fasting blood glucose 6.7mmol/L is high and abnormal for normal people, and can be controlled by diet management and physical exercise; for diabetic patients it is within the target range and normal, and they can continue to control their blood glucose through the current glucose-lowering program. 1. The normal value of fasting blood glucose for normal people is between 3.9~6.1mmol/L, so fasting blood glucose 6.7mmol/L is high, and it is recommended to consult a professional physician for a clear diagnosis. Diet should be low sugar, low fat diet, and at the same time with jogging, swimming and other aerobic exercise, is conducive to the control of blood glucose. 2. For patients who have been diagnosed with diabetes in the past, the general fasting blood glucose needs to be controlled between 4.4~7.0mmol/L, so the fasting blood glucose of 6.7mmol/L is to reach the control target, and you can continue with the current treatment program to control blood glucose through diet, exercise, medication and other comprehensive treatment, and regular monitoring of blood glucose. When abnormal fasting blood glucose values occur, it is recommended to go to the hospital.