The invention discloses a preparation method of canned and fried fish. The preparation method mainly solves the problems of uniform 
flavor and heavy fishy smell of existing 
canned fish. The preparation method comprises steps as follows: fresh 
marine fish is taken as a 
raw material, heads, tails, fins and viscera are removed, then the fresh 
marine fish are washed clean, and fish blocks are prepared; the fish blocks are soaked in a fishy smell 
elimination solution to remove a fish smell; the fish blocks are put into 
salt water after being rinsed and then subjected to superhigh-pressure treatment; the fish blocks are washed and immersed into a flavoring liquid to be flavored; the fish blocks are fried, and the fried fish blocks are obtained; 
shiitake mushrooms, winter 
bamboo shoots, carrots, sesame, chilli 
powder, fermented black bean sauce, granulated 
sugar, salt and goat bone soup are selected to prepare auxiliary materials; the fried fish blocks and the auxiliary materials are canned, 
nisin is added for bacteriostasis, exhausting, sealing, can washing, sterilization and 
back pressure cooling are performed, then the 
canned fish is left to stand and cooled to the normal temperature, and the finished canned and fried fish is prepared after being detected to be qualified. The preparation method is technologically reasonable, materials are matched scientifically, and the 
operability is high. The canned and fried fish prepared with the method has rich 
nutrition, chewy meat quality, a unique 
flavor and a long guarantee time and tastes good and delicious.