High blood sugar can not eat millet porridge, because millet porridge boiled for a long time, high degree of paste, basically in the starchy state, so patients with high blood sugar after eating millet porridge will make blood sugar higher, and also aggravate the toxicity of high blood sugar. Patients can have an increase in blood lipids, glucotoxicity and lipotoxicity are the most serious damage to the blood vessels of diabetics, and patients are prone to macrovascular complications, such as cerebral infarction and myocardial infarction. Patients with high blood sugar are also prone to microvascular complications, such as diabetic retinopathy, diabetic peripheral neuropathy and diabetic nephropathy. After diabetic patients eat millet porridge, blood sugar will increase sharply two hours after the meal, but millet porridge is easier to digest, so patients after two hours after the meal, blood sugar drops rapidly, in this case, blood sugar fluctuations are relatively large, the damage to the blood vessels of diabetic patients will be greater, so diabetic patients try not to eat millet porridge.