6.7mmol / L of blood sugar is not considered high, according to the measurement time to judge. If the fasting blood glucose 6.7mmol / L, belongs to the high blood sugar; if it is 2 hours after the meal blood glucose, belongs to the normal value. 1, fasting blood glucose: normal fasting blood glucose normal value range of 3.9-6.1mmol / L, so fasting blood glucose 6.7mmol / L belongs to the high state, known as the impaired fasting blood glucose. Although the blood sugar value is elevated, but did not reach the diagnostic standard of diabetes mellitus; 2, 2 hours postprandial blood glucose: 2 hours postprandial blood glucose is generally 3.9-7.8mmol/L, so this time the blood glucose 6.7mmol/L is normal. If the patient’s blood glucose 6.7mmol/L in the fasting state, in the impaired fasting blood glucose state, it is recommended to intervene through a healthy lifestyle, mainly dietary management combined with exercise. Control the amount of food intake required per day, eat small and frequent meals, and choose light food with low salt, low fat and crude fiber. Exercise is mainly aerobic exercise, supplemented by anaerobic exercise to increase the body’s basal metabolic rate.