Fasting blood glucose 6.18mmol/L is slightly elevated for normal people, which may be serious; for diabetic patients, fasting blood glucose 6.18mmol/L is controlled up to the standard, which is not serious. 1. Normal people’s fasting blood glucose value is generally between 3.9 ~ 6.1mmol / L, so fasting blood glucose 6.18mmol / L is slightly elevated, may be infected, stress and other factors, may be pre-diabetic, it is recommended that under the guidance of the doctor to retest the blood glucose, to clarify the condition, and comply with the doctor’s instructions to actively diagnosis and treatment. 2. For diabetic patients, fasting blood glucose needs to be controlled between 4.4 and 7.0 mmol/L, so fasting blood glucose 6.18 mmol/L is controlled to meet the standard, can continue the current treatment program. Diabetic patients should pay attention to low-salt, low-fat, low-sugar diet, choose regular and appropriate exercise, and control the blood glucose level within a reasonable range. When fasting blood glucose is elevated, it is necessary to go to the hospital in time, under the guidance of the doctor for diagnosis and treatment.