Diabetes can generally eat barley, but pay attention to moderation. Job’s tears are coarse grains, containing protein, fat, carbohydrates, polysaccharides, a variety of vitamins and trace elements, rich in dietary fiber, low glycemic index, a strong sense of satiety, so it is more suitable for diabetic patients, but pay attention to moderation. Diabetic patients in ordinary life can eat more appropriate coarse grains, grains to reduce the consumption of refined rice, refined noodles, can be appropriate to eat more low-calorie vegetables rich in dietary fiber. Also pay attention to exercise, exercise, aerobic exercise, such as walking, swimming, etc., but also regular monitoring of blood glucose. Diabetic patients quit smoking and limit alcohol, it is best to eat low glycemic index fruits between meals, to control the intake of salt, eat less greasy, sugary food. In addition to paying special attention to diet, diabetic patients should also standardize medication under the guidance of a doctor.