The fish in sour soup is sour and fragrant. The fish meat has no fishy smell. The soup is mellow. It can be eaten alone or after dinner. The difference between QQ fish in sour soup and ordinary fish in sour soup is that udong noodles are added. When the white and tender fish slices are full of sour fragrance, the Wudong noodles show the luster of elastic teeth. Can you control the impulse of swallowing?