The treatment of blood sugar 7.5mmol/L, whether you need to take medicine, depends on whether it is fasting blood sugar, or two hours after meals blood sugar, the details are as follows: 1, fasting blood sugar: can be diagnosed as diabetes, we have to eat glucose-lowering drugs, in this case at the same time to improve glycosylated hemoglobin, two-hour blood sugar, liver function, kidney function examination, according to the results of liver function, kidney function to choose glucose-lowering drugs, in addition to eating In addition to taking glucose-lowering drugs, you should also pay attention to diet and exercise. Forbid to eat very sweet things, such as sugar, porridge, longan, lychee, grapes, red dates, bananas, red apples and other very sweet fruits, and it is better to walk for 20-30 minutes after each meal, because through exercise and diet, blood sugar can be reduced to about 1-2mmol/L. Every three months to six months, we should recheck glycosylated hemoglobin, liver function and kidney function to adjust the medication in time. 2. Two-hour postprandial blood sugar: normal blood sugar, no need to take medication.