Dendrobium Phellodendri Rhizome is an effective herb for treating kidney Yin deficiency. It nourishes kidney Yin and reduces虚fire, suitable for symptoms like lackluster eyes and dry, restless heart due to kidney Yin deficiency. Dendrobium Phellodendri Rhizome enhances the immune system. The polysaccharides in Dendrobium Phellodendri Rhizome can increase the number of white blood cells, ensuring the normal functioning of the immune system.