The silked duck blood fan soup is a famous nanjing snack made of duck blood, duck intestines, duck liver, etc. Tastes nice and nice. The high protein content and low fat content of ducks are particularly suitable for consumption by older persons. Tastes nice and nice. High nutritional value, high iron content in duck blood and open presence with erythroglobin iron make it easy for humans to absorb. The presence of trace element cobalt in duck blood has had some effect on the prevention of other iron deficiency anaemias, such as felonies. Duck blood, with its intestinal proficient effect, removes slags from the enteric cavity and depurates harmful substances such as dust egyptian metal particles to avoid accumulation poisoning. So it's a body scavenger. Duck blood contains vitamin k, which leads to blood condensation and stops bleeding. Duck blood can also provide many trace elements to the human body, with benefits for malnutrition, kidney disease, cardiovascular pain and post-disease care. Duck blood fans are rich in low sodium salt, low saturated fatty acid, rich in potassium and iron; beef cookers are rich in low saturated fat acid, potassium and protein; soup bags are rich in trace elements such as acid, calcium, phosphorus and potassium。