Breakfast for patients with high blood sugar should be kept low in salt, fat and sugar, and some staple foods rich in dietary fiber can be used, together with vitamin-rich vegetables, fruits and high-protein foods. Patients with high blood sugar are recommended to choose some low glycemic index, rich in dietary fiber staple foods, such as corn, oats, rye, etc., and also supplement some vitamin-rich foods, such as spinach, cucumber, tomatoes, cherries, apples, and foods rich in high quality protein, such as eggs, chicken, etc.. Besides, it is recommended to keep low salt, low fat and low sugar in the cooking process of food, so as not to cause fluctuation of blood sugar, which is not conducive to the control of blood sugar in patients with high blood sugar. Patients diagnosed with hyperglycemia should actively cooperate with the doctor for treatment, and maintain a healthy diet and lifestyle habits, which will help control blood sugar.