Floating pellet puffed feed can float on the water surface and will not be soaked, fish and livestock like to eat and easy to digest, artificial can be convenient to observe the amount of food frogs and fish, will not cause waste of feed, and will not pollute the water quality. The high temperature and pressure of the material can greatly reduce E. coli, salmonella and other harmful bacteria, to ensure the hygiene of the feed, is conducive to protein denaturation and absorption and starch paste, easy to fish and livestock absorption. Generally the use of puffed floating fish feed than powdered or granular feed to save feed 8%-15%. The production of cooked sinking aquatic, livestock pellet feed can reduce most of the toxins and anti-nutritional factors contained in the material antitrypsin and urease, thus facilitating the digestion and absorption of animals and improving thedigestive utilisation of nutrients.