Diabetic patients eat barley porridge has certain benefits, because barley belongs to coarse grains, relative to white rice, white flour, the glycemic index is lower, can be consumed as a staple food, but porridge food glycemic faster, so consumption should be moderate, and pay attention to monitoring blood glucose. Because barley belongs to coarse grains, the glycemic index is lower than white rice, white flour and other refined crops, so diabetic patients can be consumed as a staple food, but porridge and paste are easy to be digested, and the glycemic rise is relatively fast, which is easy to cause a short period of time of blood glucose increase in the situation. Therefore, it is not recommended that diabetic patients overconsume barley porridge, which can be made into dry food, and it is recommended to monitor blood glucose changes in a timely manner. If diabetic patients have any adverse reactions after consuming barley porridge, they should immediately go to the hospital for examination, combined with the actual situation, under the guidance of the doctor to take reasonable treatment, do not blindly use drugs, so as not to miss the opportunity.