Leaf protein ,especially alfalfa leaf protein belongs to excellent vegetal protein . Its nutritive value is very high and feeding effect is good. Alfalfa leaf protein may substitute for part or all of other protein fodder in assorted fodder. As a new protein resource, more and more people recognize and pay attention to alfalfa leaf protein. This article chiefly reviewed the nutritive value,feeding value,edible value,medical value and the existed questions and the development prospect for alfalfa leaf protei...