Fasting blood sugar 6.8 mmol/L, it belongs to the state of impaired fasting blood sugar, the first way to deal with this time is to control the diet, strengthen the control of diet, low sugar diet, low fat diet, can not eat too sweet food, can not eat too sweet fruit, there are some desserts and drinks can not drink, also can not eat too sweet grapes, watermelon, oranges and other foods. Strengthen physical exercise, more aerobic exercise, to a certain extent is possible to reduce blood sugar. It is very important to lose weight on the basis of strict control of diet, because if the impaired state of fasting blood sugar is abnormal, it will develop in the direction of diabetes if it is not well controlled, so this stage is very important.