The glycemic index of yogurt is 48, which is less than 55, belonging to low glycemic index food. Yogurt contains a lot of water, protein, calcium, potassium and other nutrients, per 100g of yogurt contains 3.2g of protein, 140mg of calcium, 135mg of potassium, moderate consumption can be supplemented with water and nutrients needed by the body. The sugar content of yogurt is not high, and the sugar content in every 100g of yogurt is about 10g. Diabetic patients with stable blood sugar control can drink yogurt in moderation under the guidance of a doctor, which generally has less impact on blood sugar levels, and it is recommended that they try to choose sugar-free and low-fat yogurt. Specific diet program can be developed by consulting a professional dietitian.