Blood glucose 14 points more mmol / L, whether fasting blood glucose, or 2 hours after meals or random blood glucose, have reached the standard of diabetes, whether it is serious, whether you need to be hospitalized need to look at the value of the fasting, 2 hours after meals or random blood glucose, and combined with the patient’s condition to determine. If the fasting blood glucose 14 points more mmol / L, also means that the person’s own pancreatic islet function is in a relatively poor state, the body is in a high-sugar environment, if not treated in time, the continuation of the progression of diabetes can be acute complications, serious and life-threatening. It is recommended to be hospitalized and given intensive insulin treatment, so that blood glucose returns to normal as soon as possible to prevent the occurrence of acute complications of diabetes. If the blood glucose 14 points more mmol / L is 2 hours after meals or random blood glucose, should improve the fasting blood glucose, glycated hemoglobin, the patient’s basic state and other comprehensive assessment. Long-term elevated blood glucose can lead to microangiopathy, retinopathy, diabetic nephropathy, diabetic cardiomyopathy, etc., which can lead to atherosclerotic cardiovascular disease, neuropathy, diabetic foot and so on. A blood sugar of 14 points or more, either before or after a meal, is considered diabetes, and patients are advised to go to the hospital in time to decide whether they need to be hospitalized under the advice of a doctor and to measure their blood sugar on a regular basis.