Dendrobium has the effect of nourishing Yin, Yin deficiency and blood deficiency patients can use Dendrobium, Dendrobium is often used to nourish Spleen Yin and Stomach Yin, the most important is to nourish Stomach Yin, Stomach Yin deficiency appears dry mouth, wounded and less fluid is often used Dendrobium. Dendrobium is divided into two kinds, namely fresh dendrobium and dried dendrobium, fresh dendrobium is the freshly picked dendrobium, which has more juice and can be juiced, and dried dendrobium can only boil herbs or make water for drinking. Dendrobium nourishes Yin, and patients with phlegm and dampness in the spleen and stomach are not suitable for using dendrobium, but at the same time, we should also note that patients with phlegm and dampness cannot use it.