Women eat duck blood in moderation is not harmful to health, can supplement the body with protein, iron and other nutrients, but long-term eating duck blood in large quantities can easily lead to indigestion and other uncomfortable symptoms. Duck blood is rich in nutrients, every 100 grams of duck blood contains 56 calories, of which 13.2 grams of protein, 0.4 grams of fat, vitamin A57 micrograms, potassium 186 milligrams, iron 31.8 milligrams, zinc 0.9 milligrams. Among the proteins in duck blood are high quality proteins which can provide high quality proteins for all ages. The iron content in duck blood is very high and is animal iron with high absorption rate. Children with physiological anemia as well as patients with mild anemia can appropriately increase the intake of duck blood to give their bodies enough iron. Due to the high iron and mineral content of duck blood, protein content is also high, long-term overconsumption is likely to lead to indigestion, increase the burden on the gastrointestinal tract, resulting in nausea, vomiting, abdominal pain, abdominal distension and other adverse reactions. Therefore, both men and women are recommended to eat duck blood in moderation, not in excess. At the same time, duck blood can be eaten with vegetables, staple foods, etc., a balanced diet, so that the nutrition is comprehensive and reasonable.