High blood sugar and eat sugar or not, there are several cases: 1, diabetic patients themselves high blood sugar, eating sugar after blood sugar will certainly rise. Diabetic patients with high blood sugar because of poor sugar regulation, blood sugar will be significantly higher. Hypoglycemia, feel hungry, panic, sweating, and even weak, after eating sugar in just a few minutes blood sugar will rise, these symptoms will change, so diabetics eat some sugar, blood sugar will fluctuate more; 2, if a normal person, after eating sugar actually has a low impact on blood sugar. Normal people have a powerful pancreas, such as after eating, but also can eat watermelon, normal people measured two hours after the meal blood sugar is also normal. But if you are a diabetic, your own sugar regulation function is poor, slightly eat part of the food, such as eating fruit, bread, eating sugar after the blood sugar will be significantly higher. Therefore, diabetic patients try to eat less sugar. But if normal people often eat sugar, such as parents with diabetes, their own susceptible to diabetes. If they are obese and then eat sugar, the function of the pancreas is a greater test, more likely to develop diabetes.