A glucose test of 7.65 mmol/L two hours after a meal is generally not considered high. Under normal circumstances, the two-hour postprandial blood glucose range is below 7.8mmol/L, and the glucose tolerance two-hour postprandial blood glucose of 7.65mmol/L is within the normal range. Oral glucose tolerance test is mainly used to understand the function of pancreatic β-cells and the body’s ability to regulate blood glucose, if the glucose tolerance two hours after meal glucose is high, it means that the body’s ability to regulate blood glucose after eating glucose is reduced. If the 2-hour blood glucose of oral glucose tolerance test is greater than or equal to 11.1mmol/L, and there are typical symptoms of diabetes mellitus, it can be diagnosed as diabetes mellitus, and it is necessary to comply with the doctor’s instructions to intervene in the treatment.