Dendrobium Phellodendri Rhizome is an excellent treatment for kidney Yin deficiency. It nourishes kidney Yin and reduces false heat, suitable for symptoms like lackluster eyes and dry, restless heart, caused by kidney Yin deficiency. Dendrobium Phellodendri Rhizome enhances the human immune system. The polysaccharides in Dendrobium Phellodendri Rhizome can increase the number of white blood cells, ensuring the normal functioning of the immune system.