The occurrence of diabetes mellitus is mainly determined by two factors: genetic and environmental, and there is no direct relationship with eating congee every day, especially type 2 diabetes mellitus has higher family heritability, family parents have diabetes mellitus, and the risk of diabetes mellitus in their children is significantly higher. At the same time, it is related to environmental factors, such as lifestyle, patients live irregularly, overeating, consuming high calorie, high fat food, at the same time, prolonged sedentary, less activity, the accumulation of fat in the body leads to obesity, the body’s insulin is elevated, the existence of hyperinsulinemia, which will aggravate the resistance of insulin, the increase in pancreatic load can not compensate for this state, which will lead to the elevation of glucose, and if the blood sugar is elevated to a certain level, there will be an increase in glucose, which will lead to the development of diabetes. If blood sugar rises to a certain level, diabetes will appear. So there is no direct relationship between diabetic patients and eating porridge every day, but it is mainly related to family genetics and lifestyle.