The antibacterial effect of astragaloside is over twice that of conventional Astragalus polysaccharide, and the antiviral effect is thirty times that of Astragalus polysaccharide. Because of its low content and good effect, it is also known as the “super Astragalus polysaccharide”. It can be anti-virus, enhance immunity and improve the body's disease resistance. It also has obvious preventive and therapeutic effects on respiratory diseases such as infectious laryngotracheitis. Enhance cell physiology, promote blood circulation, protect myocardium, resist heart failure, resist inflammation, relieve pain and so on.