Tiepi Fengdu is also known as dendrobium, this product has no clear contraindications for people, it is recommended to use under the guidance of a doctor. Dendrobium iron skin has the 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 evil). It is used for heat illness with fluid injury, dry mouth and thirst, gastric yin deficiency (insufficient yin fluid in the stomach), dry vomiting with little food, deficiency heat that does not subside after illness, yin deficiency and fire (deficiency of yin essence in the body and the appearance of hyperactive deficiency fire), bone vapor and laborious heat, darkness of the eyes and unclear vision, and impotence of the tendons and bones. Adverse reactions and contraindications of dendrobium is not clear, if used with other drugs may occur drug interactions, please consult your physician or pharmacist for details. If you have a need for Dendrobium, you should apply it after a traditional Chinese medicine practitioner recognizes the evidence.