Diabetics can eat duck blood in moderation, but it is not recommended to consume large quantities. Diabetics can eat in moderation during the period of stable blood glucose control, eating time can be chosen between meals, after eating attention to monitoring blood glucose. Do not eat too much, a large amount of food easily lead to rapid increase in blood sugar, and may even induce acute complications such as hyperglycemic hypertonic state and diabetic ketoacidosis. Strictly speaking, there is no forbidden food for diabetic patients, but it is important to pay attention to dietary diversity, scientific and reasonable, as far as possible, to limit the intake of food containing high sugar, high salt and high fat. Duck blood is rich in protein, iron and other nutrients, diabetics eat some duck blood in moderation generally does not cause significant fluctuations in blood sugar, so it can be eaten. A healthy diet for diabetics requires balanced nutrition, control of total energy, and a balanced diet. Specific methods can be summarized as follows: regular and quantitative staple food, light-based; eat more vegetables, fruits in moderation; to ensure daily meat, eggs, milk and other high-quality protein intake. In addition, it is recommended that diabetic patients focus on self-management and receive individualized nutritional guidance on a regular basis. Seek timely medical attention if they feel unwell.