Dendrobium is sweet in flavor and slightly cold in nature, belonging to the Chinese herbal medicines that are on the cold side. Dendrobium has the effects of benefiting the stomach and generating fluids (nourishing the stomach by replenishing the fluids in the stomach), nourishing yin and clearing heat (nourishing the yin essence and clearing heat). Dendrobium can be used clinically for heat disease, dry mouth and thirst, stomach yin deficiency, dry vomiting, deficiency heat after illness, yin deficiency and fire exuberance (deficiency of yin essence in the body, which results in hyperactive fire), bone vapor and laborious heat, darkness of the eyes, and impotence of sinews and bones. Among them, the treatment of stomach yin insufficiency (lack of yin fluid in the stomach), spleen yin consumption caused by the spleen and stomach yin deficiency (deficiency of yin fluid in the spleen and stomach) of the evidence, can be paired with sasanqua, maitake, lentils, yam, tai zi ginseng, etc.; treatment of spleen and stomach yin deficiency caused by the cacophony (the stomach is similar to the feeling of hunger, emptiness with burning), good hunger, and less knotty stools, often paired with poria, lentil, atractylodes and other products to strengthen the spleen. To sum up, dendrobium is sweet and cold, specific medication need to consult a professional physician’s advice, adverse reactions and contraindications are not clear.