The fish name of Chaozhou pickled fish is (Bo Xian 1) fish, and its scientific name is black fish, also known as black fish and raw fish. Snakehead fish are ferocious in nature, have strong fecundity and a huge appetite, and can often eat all other fish in a lake or pond. Snakehead fish is a common edible fish in China, with large size, fast growth and high economic value. Snakehead fish has fewer bone spurs, a high meat content, and is rich in nutrients. It contains higher protein than chicken and beef. As a medicine, snakeheaded fish has the functions of removing blood stasis, regenerating, nourishing and recuperating. After surgery, eating snakeheaded fish can promote muscle replenishment and blood, promote wound healing, and has very rich nutritional value.