Dendrobium and Panax ginseng can be taken together if there are indications for both drugs together. 1. Dendrobium is a kind of Chinese medicine. It is sweet in taste, slightly cold in nature, and belongs to the stomach and kidney meridians. It is effective in benefiting the stomach and generating fluids (nourishing the stomach by replenishing fluids in the stomach), in addition to nourishing yin and clearing heat (nourishing yin essence and clearing away heat). It can be used for treating heat illness and fluid injury, dry mouth and thirst, gastric yin deficiency (insufficient yin fluid in the stomach), yin deficiency and fire exuberance (deficiency of yin essence in the body, resulting in hyperactive deficiency and fire), and so on. Adverse effects, contraindications and precautions of Dendrobium ironpierre are not clear. 2. Panax ginseng is a kind of Chinese medicine. It is sweet, slightly bitter, warm in nature, and belongs to the liver and stomach meridians. It has the efficacy of resolving blood stasis and stopping bleeding, activating blood circulation and resolving pain. It can be used for treating various bleeding disorders, blood stasis, swelling and pain, etc. It is also used for treating those who suffer from blood stasis and obstruction. Excessive intake of Panax notoginseng may cause nausea, frequent vomiting, hemorrhagic tendency. Panax ginseng tablets may cause allergic rashes. Pregnant women should be cautioned against taking it. From the point of view of “18 against” and “19 fear” of traditional Chinese medicine, Dendrobium and Panax ginseng do not have contraindications to the use of drugs, and the two drugs together have the effect of nourishing yin and activating blood, therefore, Dendrobium and Panax ginseng can be taken together. If there is a need for medication, it is necessary to use under the guidance of a doctor to identify the evidence, not blindly use their own medication, so as not to cause adverse consequences.