Abstract: Alfalfa shoots have multiple bioactive phytochemicals and unidentified growth factors, and the secondary metabolites of alfalfa shoots have many bioactive phytochemicals. The many bioactive components, including leaf protein, saponin, flavonoid, polysaccharide, and dietary fiber, of alfalfa shoots were summarized in this paper. After discussion on effectiveness of these bioactive components shoots on livestock production, this study proposed that the bioactive phytochemicals of alfalfa shoots played an important role in the development of animal husbandry healthily.