The golden duck blood fan soup is a famous nanjing flavor snack made of duck blood, duck intestines, duck liver, and so on. Tastes nice and nice. The high protein content and low fat content of ducks are particularly suitable for consumption by older persons. In the streets of many cities, such as shanghai, nanjing, hangzhou, jinjiang, fuzhou, wuhan, fatty, etc., a variety of brands of duck blood fan soup can be seen everywhere, while, with the rapid development of the catering industry and the increase in the movement of people, duck blood fan soup begins to travel rapidly to the entire country, from the north to the south and from the east to the west, where it is run in such a way that it is accepted by a large number of consumers, based on its unique taste and way of doing business, as a result, it becomes a project of entrepreneurship that many of today’s food-and-breed candidates are keenly interested in and admire. Duck blood contains a high iron content and exists in the form of hemoglobin iron, which is easily absorbed into the human body. 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, potassium and iron。