If postprandial blood sugar is 7.2mmol/l, that is perfectly normal and there is no concept of being cured. If fasting blood glucose 7.2mmo/l, need to consider diabetes, at present diabetes can not be cured, but can be controlled by diet, exercise, drugs. 1. Normal fasting blood glucose should be <6.1mmol/l, when fasting blood glucose ≥7.0mmol/l, need to consider diabetes; normal random blood glucose or postprandial 2 hours blood glucose should be <7.8mmol/l, if the postprandial 2 hours of blood glucose is 7.2mmol/l, belongs to the normal blood glucose. 2. Diabetes is a chronic disease caused by low pancreatic beta cell function or insulin resistance. Generally diabetes cannot be cured because there is no clinical cure for diabetes. However, diabetic patients can control their blood glucose to the desired level through diet control, moderate exercise and regular medication. When abnormal blood glucose occurs, you should consult a doctor in time and standardize the treatment under the doctor's guidance.