Dendrobium is a medicine for nourishing Yin, which belongs to the stomach and kidney meridians. It can be used to regulate symptoms such as burning pain in the stomach and epigastrium, hunger, bloating, poor appetite, dry mouth and throat, belching, eructation, constipation, short and red urine, etc. caused by deficiency of stomach Yin or depletion of Yin in the late stage of fever. Since it belongs to the kidney meridian, it can also be used to treat symptoms such as lumbago, back pain, dizziness, tinnitus, heat in the heart of the hands and feet, night sweats, hot flashes, heat in the face, dry mouth and throat, restlessness, constipation, and short, red urine, etc. caused by kidney yin deficiency and yin deficiency. From the perspective of pharmacology nowadays, dendrobium also has the effect of promoting the secretion of gastric juice, and can promote the peristaltic movement of the gastrointestinal tract and promote defecation. If the amount of dendrobium is too much, it may lead to the occurrence of intestinal paralysis, and the recommended dosage is 6-12g.