If too much white sugar is put in milk, it is not good for the body: 1. If white sugar is put in milk, it will increase the glycemic index, which can make blood sugar rise quickly and reach a very high level, making blood sugar fluctuate more, which can increase the burden on the pancreas and increase the risk of diabetes. 2. 3. sugar in milk can produce competitive metabolic inhibition with uric acid in the body, making it easier for uric acid to accumulate in the body and increasing the risk of gout.