Families in Feixian like to eat Tang San as breakfast, which is a kind of local snacks in Linyi area. Because it is spicy and delicious, fat but not greasy, it can dispel wind and cold, and it is really popular with everyone. There are chicken naan, beef naan and mutton naan, among which mutton naan is the most common. When eating, put a long spoon in a bowl, pour sesame oil, sprinkle a handful of coriander, Jiang Mo and a few drops of sesame oil on the noodle soup. After repeated boiling, this soup is not fishy, fresh and delicious. It has no meat, but it smells better than meat. The original soup is original and fragrant.