Dendrobium can treat diseases caused by deficiency of stomach and kidney yin, and Radix et Rhizoma Ginseng can treat diseases caused by injury of both qi and yin. Dendrobium is sweet in taste, slightly cold in nature, belongs to stomach and kidney meridians, and is beneficial to the stomach to generate fluids (nourishing the stomach by replenishing fluids in the stomach), nourishing yin and clearing heat (nourishing the yin essence and clearing away the heat evil). It is forbidden to be taken by those who have not injured the yin in the early stage of warm-heat disease, those who have not turned dry in damp-warm disease (warm disease caused by feeling dampness and heat), and those who have deficiency of spleen and stomach (spleen and stomach are weak and cold). It is mainly used for treating gastric yin deficiency, mainly for treating thirst and irritability, heat and sweat of heat illness, gastric pain, swollen gums, mouth and tongue of gastric heat and yin deficiency; and renal yin deficiency, loss of eyesight, muscle weakness of renal yin deficiency, and yin deficiency and fire exuberance (deficiency of yin and essence in the body, which leads to hyperactive fire in the body), with self-consciousness of heat emanating from the bones, and other symptoms. Radix Panax Ginseng is sweet, slightly bitter and cool in nature. It belongs to the lung, heart, kidney and spleen meridians, and has the effect of benefiting qi and nourishing yin, clearing heat and generating body fluid. It is not suitable to be used with quinoa, and is contraindicated for those with weakened middle yang and cold dampness in the stomach. It is mainly used in the treatment of qi and yin injuries, as manifested by fatigue, shortness of breath, cough with little sputum or blood in the sputum, spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with slight movement), hot and sticky, heartburn and thirst, dryness of the bowels, shortness of urine, dryness of the tongue, and weakness with a thin pulse (the pulse becomes narrower and finer, and its rate is accelerated). The adverse effects of the above drugs are not clear, if you need to use the drug, you need to use the drug under the guidance of a Chinese medicine practitioner to avoid delaying the condition.