Intake of moderate amount of pig’s blood has no significant effect on the condition of diabetic patients, but excessive intake of pig’s blood can increase postprandial blood sugar in diabetic patients. The main nutrient of pig’s blood is protein, and it is also rich in mineral elements such as iron, phosphorus, zinc, potassium, etc. Among them, iron content is particularly rich, and pig’s blood is suitable for the general population because of its low sugar and fat content. If you are not allergic to pig’s blood, diabetic patients can consume a moderate amount of pig’s blood, which can also supplement iron and other essential trace elements. However, excessive intake of pig’s blood can also lead to postprandial glucose elevation, and it is recommended that patients consult a professional dietitian to control the amount of pig’s blood intake, and under the guidance of his or her reasonable diet.