How many capsules of Dendrobium in water at a time cannot be generalized, but is mainly determined by the patient’s condition. It is recommended to follow the doctor’s advice to take, do not blindly take drugs. Dendrobium is beneficial to the stomach and generates fluids (nourishing the stomach by replenishing fluids in the stomach), nourishing yin and clearing heat (nourishing yin essence and clearing heat). Dendrobium, sweet in flavor, slightly cold in nature. It belongs to the stomach and kidney meridians. 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 appearance of hyperactive deficiency fire), bone vapor and labor heat, darkness of the eyes and unclear, impotence of the muscles and bones, and so on. Although dendrobium infusion has the above effects, but the effective dose of infusion is limited, it is difficult to achieve the above effects, it is recommended to consult a doctor, under the guidance of a doctor.