Diabetes is a disease caused by an excess of glucose in the blood above normal levels, often caused by insufficient secretion or impaired utilization of insulin. Therefore, after suffering from diabetes, patients need to pay more attention to their diet to avoid triggering abnormal blood glucose and making patients suffer from uncomfortable symptoms. I. Dietary guidance: 1. Quantitative intake: In daily life, patients should pay attention to the quantitative intake of food, do not exceed the total calories eaten daily. At the same time, staple foods, vegetables and other foods should be taken in proportion. 2. Regular diet: Patients should ensure that they eat regularly every day, neither overeating nor not eating less. In addition, when eating, patients should try to chew and swallow slowly, but also drink more water; 3, light diet: when cooking food, patients should try to light diet, do not add too much seasoning, or oil, so as not to give the body too much burden. Second, dietary contraindications: 1, alcoholic beverages: because alcohol can induce hypoglycemia, diabetic patients need to quit; 2, starch, high sugar food: because starchy foods can be directly converted into sugar, such as rice, steamed buns, etc., so diabetic patients need to reduce or quit the intake of such foods. Sugar foods can cause a rapid rise in blood sugar, affecting disease control, patients also need to avoid such food intake; 3, high-salt foods: reduce the intake of high-salt foods such as pickles, kimchi, bacon or processed meat products; 4, spicy foods: reduce the intake of chili peppers, onions and garlic and other spicy foods, such foods tend to aggravate the patient’s symptoms of irritability and thirst. Other precautions, patients should also reduce the intake of high-fat, high-protein foods, such as fatty meat, eggs, etc., so as not to increase the burden on the stomach and intestines, triggering hyperlipidemia and other adverse conditions.