At present, there is no authoritative information to clearly state how long to take a dendrobium infusion is good, the specific number of times to take from person to person, the condition is light, can be less times to take; the condition is more serious, then need to take many times, please follow the doctor’s instructions. Dendrobium is sweet in taste, slightly cold in nature, belonging to the stomach, kidney meridian, beneficial to the stomach, nourishing the yin and clearing the effect of heat, used for fever and fluid injuries, dry mouth and thirst, gastric yin insufficiency (lack of yin in the stomach), less food and dry vomiting, after the disease of the heat does not go away, yin deficiency and fire, bone vapor and labor heat, dark and unclear vision, impotence and weakness of the muscles and bones and other diseases. Current literature does not specify how long to take a dendrobium infusion for the best, the number of times to take by the individual constitution, the degree of severity of the individual’s condition and many other factors, the body of the vegetative body is better, the condition of the light people, the premise of symptomatic medication, can be less times to take; and vice versa. Dendrobium is mainly suitable for patients with fever and stomach yin insufficiency, and it is not suitable for people with wet temperature (warm disease caused by feeling dampness and heat), dampness and heat, etc., who have not been dry and hurt their fluids. In addition, the efficacy of single herb in water is limited, and cannot replace the therapeutic effect of Chinese herbal soup or proprietary Chinese medicine. If there is any discomfort, please consult a doctor in time and use the medicine under the guidance of a professional Chinese medicine practitioner.