Diabetic patients can eat corn noodles, but need to be moderate. Diabetic patients can eat corn noodles because it is mainly composed of corn and flour, containing a large amount of glutamic acid, linoleic acid and other nutrients, which have the effect of stimulating gastrointestinal peristalsis and preventing constipation. In addition, cornbread has a GI value of 68, which is a medium GI food. For diabetic patients with good blood sugar control, eating some cornbread in small quantities will not cause fluctuations in blood sugar. However, patients are not recommended to eat a large amount of corn noodles because corn noodles contain flour, which is not conducive to blood sugar control if diabetic patients eat a large amount. In addition, if patients choose to eat corn tortillas, they should reduce the intake of other staple foods so as not to cause an increase in blood sugar. In daily life, it is recommended that diabetic patients choose a low-salt, low-fat, low-sugar diet, along with regular physical exercise and maintaining a healthy body weight, all of which can help control blood glucose. Seek prompt medical attention when abnormal blood glucose levels are detected.