Dendrobium has the efficacy effect of benefiting the stomach and generating fluids (nourishing the stomach by replenishing fluids in the stomach), nourishing yin and clearing heat (nourishing yin essence and clearing away heat). Dendrobium is a commonly used traditional Chinese medicine drink with a sweet taste and slightly cold nature, which belongs to the stomach and kidney meridians. Dendrobium has the effect of nourishing the stomach and nourishing yin, and is mostly used for treating stomach yin deficiency, and can also clear stomach heat. Dendrobium can not only be used for the treatment of stomach yin deficiency, but also can be used to regulate kidney yin deficiency. It is commonly used for kidney yin deficiency that leads to lumbar and knee soreness (the feeling of lumbar and knee soreness and weakness), impotence of tendons and bones, darkness of the eyes, yin deficiency and fire (deficiency of yin and essence in the body, with the appearance of excessive fire), bone vapor and labor heat. Dendrobium also has the effect of clearing heat and generating fluids, mostly used in the treatment of fever and fluids, dry mouth and thirst and other diseases. In modern clinical practice, it is mostly used for the treatment of chronic gastritis, pharyngitis, cataract, glaucoma, optic neuritis and other conditions, which belong to the deficiency of liver and kidney yin (deficiency of yin in the liver and kidneys), and the regulation of the deficiency of fluid. The drug should be taken under the guidance of a doctor, and should not be used on its own to avoid adverse reactions.