Dendrobium Huoshanmi generally refers to Dendrobium Huoshan, which has the effect of treating yin injury and fluid deficiency, darkness of the eyes, dryness of the mouth and irritation of thirst. Dendrobium Huoshan is the fresh or dried stem of Dendrobium huoshanensis, a plant of the orchid family, which belongs to the stomach meridian and kidney meridian, with a flat nature and a sweet taste. Its main effects are to benefit the stomach and generate fluids (nourishing the stomach by replenishing fluids in the stomach), nourishing yin and clearing heat (nourishing yin essence and clearing heat). It can be used in treating yin injury and fluid deficiency, darkness and uncertainty of the eyes, dryness of the mouth and thirst, scarcity of food and dryness and vomiting, and deficiency heat after illness. When used for treating yin injury and fluid deficiency, it can be used with smallpox pollen and Radix et Rhizoma Shengdi; when used for treating dry vomiting with little food, it can be used with Maitong and Bamboo Roots; when used for treating darkness of the eyes with no clear vision, it can be used with Lycium barbarum and other medicines. Huoshan dendrobium adverse reactions and contraindications are not clear, the use of drugs and combinations are recommended under the guidance of a doctor.