Whether Dendrobium soaking water can be used repeatedly the next day is related to the quality of the herb, dosage, soaking time and other factors, which need to be considered comprehensively and cannot be generalized. Dendrobium is the fresh or dried stems of the cultivars of Dendrobium officinale, Dendrobium drumstick, or Dendrobium fimbriata of the Orchidaceae family, and the similar species of plants of the same genus. This medicine has the effect of benefiting the stomach and generating fluids, nourishing yin and clearing heat, and can be used in the treatment of fever with fluid injury, dry mouth and thirst, gastric yin insufficiency (insufficient yin fluid in the stomach), poor food and dry vomiting, deficiency heat that does not subside after illness, yin deficiency and fire, bone vapor and labor heat, and darkness of the eyes and uncertainty. It should be noted that the drug is forbidden to be taken by people with cold spleen and stomach. It should also be noted that the efficacy of Dendrobium in water is limited, and should not be used as a substitute for medication in the treatment of diseases. If you need to use Dendrobium, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the treatment.