The product quality is stable and reliable, with strong fish flavor, high protein content, easy to decompose, easy to digest, and is the preferred product for livestock and poultry aquaculture and feed industry. Dried fish are mostly made from freshwater fish such as green, grass, silver carp, Mandarin, carp, crucian carp, etc., which are salted and sun-dried into salty and light aquatic products. Commonly, there are dried squid, dried abalone, dried silverfish and so on. Squid, more than 90% processed into dried squid, is one of the eight treasures of the sea. Abalone is a marine shellfish, fresh abalone shell, remove the internal organs, take the ear abdomen and feet, into the pot of boiling water to cook, take out and dry into dry abalone. Silverfish, that is, the sea meander, white and slightly transparent, but the length of about 3 centimeters, the whole body without scales, has always been applied as a whole food (i.e., offal, head, fins, etc., are not removed, the whole food), and the whole food is currently as a natural "longevity food" for the international nutritional science confirmed.