After twenty years of innovation and development, Linqing Daokou mutton soup has formed its own brand in Fiona Fang Baili with its unique technology and delicacy. 1998 registered the trademark of "Daokou Mutton Soup" in the State Trademark Office, becoming the first registered trademark enterprise in China. The dietary characteristics of "Daokou mutton soup" are: popular recipes, low-grade consumption, cheap and good quality, especially the "two dishes and one soup" of Daokou mutton soup is made in Zaozhuang. The cooking method, operation and ingredients of Daokou mutton soup are different from other mutton soup halls, and the cooked soup tastes different. Daokou mutton soup pays attention to the purity, taste and nutrition of the soup, and the cooked soup is not fishy and delicious. Generally, free-range goats are selected as soup, which is recognized by people because of its outstanding green food characteristics.