Previously, the preserved fish in Dongting Lake was called smoked preserved fish. Smoked and pickled grass carp is the most famous snack in Dongting Lake, Hunan Province. Sun-dried fresh grass carp, slowly smoked with firewood sawdust for 24 hours to make the fish tight, mixed with star halogen such as anise cinnamon, and finally added pepper and cumin to enhance color and fragrance, making the fish firm and spicy.