Random blood glucose ≥11.1mmol/L, or fasting blood glucose ≥7.0mmol/L, or glucose ≥11.1mmol/L 2 hours after glucose loading test, and metabolic disorders such as polydipsia, polydipsia, polyphagia, weight loss and other symptoms can be considered diabetes mellitus. Flour can be eaten by diabetic patients, but total calorie intake should be controlled. Flour is mainly made from wheat and other grains ground, as a staple food, diabetics can eat. But because flour contains a lot of carbohydrates, if a large amount of intake, it may lead to an increase in total calorie intake, resulting in increased blood glucose, so diabetic patients should strictly control the amount of flour intake. Diabetic patients actively cooperate with the doctor for treatment at the same time, but also need to combine their own situation, adhere to participate in physical exercise and dietary control, for those who are not clear about the dietary regulation, you can ask a professional doctor to develop a personalized diet plan.