The normal blood glucose value of one hour after meal is 6.7-9.4mmol/L , and the blood glucose value of two hours after meal ≤ 7.8mmol/L , maximum ≤ 11.1mmol/L . Usually, the blood glucose concentration one hour after meal is not used as a criterion for diagnosing diabetes, but should be combined with the blood glucose two hours after meal for diagnosis. If the blood glucose of two hours after meal is ≥11.1mmol/L, it is necessary to pay attention to whether there is the appearance of diabetes, usually to go to the hospital for the corresponding examination, the appearance of diabetes can bring adverse effects to the body or even endanger life. If high blood sugar occurs, it is recommended to eat more high-fiber foods, such as vegetables and fruits, because high-fiber foods can alleviate the appearance of the phenomenon of high sugar, and it is necessary to pay attention to do aerobic exercise to alleviate the phenomenon of high sugar and reduce the concentration of blood sugar in the body.