Fasting blood glucose 6.3mmol/L after sugar control 5.8mmol/L, fasting blood glucose 5.8mmol/L belongs to the normal range, generally maintain the current treatment can be, but pay attention to the two-hour postprandial blood glucose data, it is recommended that regular monitoring of blood glucose. The normal range of fasting blood glucose is 3.9~6.1mmol/L, fasting blood glucose 6.3mmol/L belongs to the higher side, after sugar control blood glucose 5.8mmol/L, blood glucose back to the normal range, you can follow the existing lifestyle. Normally, in addition to fasting blood glucose, you also need to pay attention to the postprandial blood glucose data changes, especially middle-aged and elderly people, may not be high fasting blood glucose, but postprandial blood glucose will have obvious fluctuations, you need to refer to the two-hour postprandial blood glucose value, pay attention to whether the blood glucose is on the high side. Fasting blood glucose 6.3mmol / L after sugar control 5.8mmol / L, it is recommended to go to the hospital to determine the blood glucose data of venous blood collection, you can usually monitor blood glucose on a regular basis, by the doctor according to the specific results of judgment and treatment.