Nanjing is a famous duck town, and the natural nanjing people are very fond of ducks, not only duck meat, but even the insides and the blood of ducks. The duck blood fan soup is made of fans, duck blood, duck liver, duck intestines, made of old duck soup. A small bowl of fan soup, but the duck's delicious. A sip of soup juice, a sip of a fan, a bite of duck blood, and it's amazing how these unseemly things can make such a delicious world. A poor man who kills a duck with a small bowl of blood, and a fan falls in and dirtys it. He had to cook with his fans and duck blood. But he burned out the first bowl of duck blood, only the fragrance of the soup, and drew many people to speculate about how the delicious soup was cooked. The owner listened to it, and the poor were the professional cooks, and the rich and his aunts were the cookers of duck blood. The latter were the ones who made it. The duck blood soup, suitable for all ages: children, white-collars, men, old people, customers, pasters! Spring, summer, autumn, winter, four seasons. Duck blood fans have little choice in their wisdom, are flexible, operate easily, do not require experience in catering, are oriented towards popular consumption of food, have unique tastes, are popular, have no worries about the availability of customers, have low costs of raw materials and can be consumed. The operation is simple and there are no restrictions on shop operations. The duck-blooded fan market is large and suitable for all parts of the country, with a good year and four seasons of business。