Dendrobium ironbark flower is sweet and cold, belongs to the stomach and kidney meridian, has the effect of nourishing yin and clearing heat, benefiting the stomach and generating fluid, and brightening the eyes. It can treat the thirst of injured fluid and internal heat and thirst. It is cold in taste and cold in nature, enters the stomach meridian, is good at nourishing stomach yin, generating fluid and quenching thirst, and can treat heat illness with injured fluid, low heat and thirst, dry mouth and throat, red tongue with little coating, and can be used with raw earth, maitong and smallpox powder. It can also treat poor diet, noisy stomach and stomach pain caused by deficiency of stomach meridian, and can be used with Sha Shen, Lentil, Mai Dong and Bai Shao. This product can treat deficiency of kidney yin resulting in deficiency of deficiency of heat, dry and painful throat, and can be used with Shengdi and Mai Dong. Dendrobium ironbark flower enters the kidney, it can tonify the kidney and benefit the essence and brighten the eyes, it can treat unclear vision caused by deficiency of liver and kidney yin, it can be used with Lycium barbarum and Chrysanthemum.