The application of biostimulants in animal husbandry is extended from agricultural applications. Polish physiologist Stanistaw has concluded through extensive research that biostimulant as a harmless feed additive has obvious effects on promoting growth, improving meat, egg, milk yield and quality, and can be used as an anti-inflammatory, immune Use of antibacterial drugs. Japanese biologists also believe that biostimulants can be used as plant hormones to directly enter the body to promote the activity of enzymes in cells and promote metabolism in New Town. The application practice in China for many years has also proved the above conclusion.