Freshwater in southern Sichuan refers to freshwater fish and aquatic products produced in rivers and lakes in southern Sichuan Basin. South Sichuan seafood is famous all over the country for its rich variety, delicious meat, rich nutrition and unique taste. Among them, the most famous fish species are silver carp, grass carp, carp, bighead carp and crucian carp. The cooking methods of seafood in southern Sichuan are also unique, such as "boiled fish" and "spicy fish". South Sichuan seafood, with its unique flavor and cultural connotation, has become an important part of Sichuan cuisine culture and an indispensable delicacy for Sichuanese.