High blood sugar can eat pig’s blood, but to control the total calorie amount, not too much. Pig blood is rich in iron, mainly heme iron, easily absorbed by the body, can treat iron deficiency anemia. Pig’s blood contains less sugar and less fat, so diabetics can eat it. When cooking, pay attention to less oil, less salt, intake of high salt and high fat diet, easy to aggravate atherosclerosis. Patients with high blood sugar should control the intake of food with high glycemic index, such as porridge, fruits with high sugar content, such as apples, watermelon, grapes, etc., and try to consume vegetables and fruits with low glycemic index, and meat products about 50g per day, and dietary management as much as possible under the guidance of a doctor. Patients with high blood glucose are advised to consult a doctor in time for treatment under doctor’s guidance.