Barley can not lower blood sugar. Barley is a kind of food, contains a variety of nutrients, such as carbohydrates, protein, dietary fiber and a variety of mineral components, moderate consumption of barley can supplement the body’s nutritional needs. But barley does not lower blood sugar, diabetic patients consume too much barley has the risk of elevated blood sugar. Need to lower blood sugar patients can control diet, increase exercise and the use of drugs for treatment. Patients with high blood sugar need to strictly control the total calorie content of food, reduce high sugar, high fat, high salt food intake; jogging, swimming and other sports under the guidance of professionals; if necessary, follow the doctor’s instructions to take metformin and other drugs for hypoglycemic treatment. Do not believe in the claim that food lowers blood sugar.