Want to control blood sugar through diet, you need to make reasonable adjustments in diet. Firstly, the diet should be based on low-calorie and low-sugar foods, and more coarse grains can be eaten daily, such as oats, wheat and taro. The calories in coarse grains are lower, the glycemic index is lower, and they are rich in coarse fiber, which will make people feel full after entering the body, reduce the desire for other calorie food intake, and effectively inhibit the rise of blood sugar caused by foreign high-calorie food intake. Secondly, the diet should eat more fresh vegetables and fruits containing vitamins, fiber and trace elements, such as apples, grapefruit and bitter melon, etc. Fresh vegetables and fruits can balance the blood sugar in the human body and restore the blood sugar in the human body to normal level. Want to control blood sugar through diet, avoid the intake of high-calorie and high-fat food, stay away from carbonated beverages to avoid adverse symptoms caused by the rise of blood sugar due to certain ingredients in food, and if the simple dietary control of blood sugar is not satisfactory, it is recommended to carry out glucose-lowering treatment under the guidance of doctors.