The tender and smooth duck blood soup base is fresh and mellow in Nanjing style. The duck blood and high-quality sweet potato vermicelli are carefully selected to restore the authentic street flavor of Nanjing. The vermicelli is smooth and tough, fully absorbing the essence of the old duck. The soup is clear and not turbid. It warms the stomach and heart in winter. It is a convenient and delicious dish when working overtime or staying up late.