Dendrobium flower is not a drug, the drug source of Dendrobium is its dried stem. Generally speaking, Dendrobium is used to brew water to drink as tea with the efficacy and effect 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 the heat evils), and the contraindication is that it is forbidden to those who are allergic to this product, and allergic persons should be cautious in using it. Dendrobium is sweet in taste, slightly cold in nature, belonging to the stomach and kidney meridian, with the effect of benefiting the stomach and generating fluids, nourishing yin and clearing heat, it can be used for the treatment of fever and fluid injury, dry mouth and thirst, gastric yin insufficiency (deficiency of yin fluid in the stomach), dry vomiting with little food, post-disease deficiency heat that does not go away, yin deficiency and fire (deficiency of yin essence in the body, the emergence of deficiency and hyperactive fire), bone vaporization and labor heat, darkness and uncertainty of the eyes, impotence of the tendons and bones and so on. The adverse reactions of this product are not clear. Note that this product is prohibited for those who are allergic to this product, and allergic people should be cautious. Dendrobium can be soaked in water to drink tea, but the active ingredient precipitation is limited when the Chinese medicine is soaked in water to drink, can not replace the medication to treat the disease, if there is discomfort, it is recommended that the hospital, consult a physician to standardize the treatment, do not unauthorized use of medication, so as not to cause delays in the condition.