There are only two possibilities for such a situation: first, it is artificially made for some purpose; Second, the fish in sour soup is not authentic. The authentic sour soup fish is fermented by wild tomatoes in Kaili, Guizhou, and it is best to choose wild grass carp, carp and grouper, which are bright in color, fresh and sour in taste, with a slight litsea taste. At the intersection of Wuyingshan North Road and Xiaoqing River North Road in Jinan, there is a southwest love restaurant of Guizhou Home. It is said that the fish in sour soup is authentic. Try it.