2. In Guizhou sour soup fish, it is also important to make sour soup after choosing fish. At first, it was brewed with tail wine and made into sour soup. Later, after continuous improvement, it was made by natural fermentation with hot rice soup. Sour soup in sour soup fish is also the key to this dish. Sour soup can also be said to be a specialty of Guizhou, and Guizhou people like sour soup very much. In the process of making Guizhou sour soup fish, the requirements for sour soup fish are very high. Because in the process of making sour soup fish, it is necessary to clean the fish and cook it in sour soup, so the taste of sour soup will affect the taste of the whole dish. In the choice of fish, grass carp and carp are generally chosen for sour soup fish, which are relatively fat fish, because this kind of fish will taste more refreshing after being made into sour soup fish, which is more popular with diners.