Tiepi Fengdu, also known as Dendrobium, can be decocted and taken internally. Dendrobium is the dried stems of Dendrobium orchidum, family Orchidaceae. It is sweet in flavor and slightly cold in nature. It belongs to the stomach and kidney meridian. It can benefit the stomach and generate fluids, nourish yin and clear heat. It is used for heat disease and fluid injury, dry mouth and thirst, gastric yin deficiency (lack of yin fluid in the stomach), less food and dry vomiting, deficiency heat after illness, yin deficiency and fire (deficiency of yin essence in the body, the emergence of deficiency and fire), bone vapor (feel the heat from the inside of the bone to the outside of the penetration of the heat), labor heat, dark and unclear, impotence of sinew and bone weakness. Dendrobium is generally used in decoction soup for internal use, used for fever and injury to the body fluid can be equipped with maitong, Zhimu, Xuanshen, etc. to clear the heat and generate fluids. For stomach yin insufficiency, it can be used to nourish the yin and stomach yin with medicines such as bamboo, salvia, maitake, asparagus, etc. The specific combination should be identified by the doctor. The specific combination should be used under the guidance of doctor’s diagnosis. Adverse effects and contraindications of Dendrobium officinale are not clear, and should be used in accordance with medical advice.