High blood glucose generally cannot be lowered by diet alone, but needs to be combined with hypoglycemic drugs and moderate exercise under the guidance of a doctor to lower blood glucose together. Dietary control can help control blood glucose. Patients with high blood glucose should have strict dietary control, controlling the intake of total calories and the proportion of carbohydrates, proteins and fats. High blood sugar can eat low cholesterol, low salt, low sugar food, staple food choice buckwheat noodles and other coarse grains, less refined rice grain and noodles; protein to high-quality protein; appropriate intake of fiber-rich vegetables and fruits. It is not recommended to consume too much sweets, alcohol, fried food, such as chocolate, fried chicken. In addition to diet, you can do more physical exercise. It is recommended that patients with high blood glucose go to regular hospitals in time to improve the relevant examinations and standardize the treatment under the guidance of the doctor, so as to avoid delaying the condition or leading to adverse reactions.