Astragalus can promote metabolism, resist fatigue, and promote the renewal of serum and liver proteins; it has a significant diuretic effect and can eliminate urine protein in experimental nephritis; it can improve animal anemia; it can increase hypoglycemia and reduce hyperglycemia; it can stimulate breathing; it can enhance and regulate the body's immune function, promote the hyperglycemia system, and improve the body's disease resistance; it has a mild inhibitory effect on cell lesions caused by various viruses such as influenza virus.