It's a dried product of Dendrobium candidum. Medically speaking, it tastes light and slightly sweet, produces fluid without cold, and has the functions of promoting fluid production, benefiting the stomach, nourishing yin and clearing away heat, and removing annoyance. Can be used for treating xerostomia, polydipsia, asthenic fever or asthenopia after illness, and body fluid deficiency of the elderly.
So far, this medicine has been blown a little too much.