Patients with high blood sugar can eat corn, but pay attention to the following situations when eating corn: First, corn belongs to the grain category, so corn can be eaten as a staple food or after calorie conversion, appropriately eating corn while reducing the intake of other staple foods. It can help patients to control calorie intake and help them to keep their blood sugar under control. Secondly, when eating corn, you should choose the right cooking method, corn can be steamed, boiled, cooked and eaten directly, but it is not recommended to make fried, fried dessert or boiled into corn porridge. Because of the high calorie content, it is easy to cause significant fluctuations in blood sugar after meals, so it is not suitable for diabetic patients to eat.