Can ginseng and Dendrobium officinale (iron皮 stone斛) be taken together?
Generally speaking, ginseng and Dendrobium officinale can be consumed together. The detailed analysis is as follows:

Ginseng has a sweet and slightly bitter taste and possesses functions including greatly replenishing vital energy, invigorating the spleen and lungs, promoting the production of body fluids, nourishing the blood, calming the mind, and enhancing mental clarity. It is commonly used to treat qi deficiency, blood deficiency, and various symptoms of weakness. It effectively improves symptoms such as physical weakness, low immunity, and memory decline. Moreover, various nutrients in ginseng can enhance the body's immunity, strengthen disease resistance, and help improve cardiovascular function.
Dendrobium officinale has a sweet taste and offers effects of benefiting the stomach, stimulating body fluid production, nourishing yin, and clearing heat. It is commonly used to treat conditions such as injury from heat disease with body fluid damage and insufficient stomach yin. It can also be used to treat syndromes like excessive internal heat due to yin deficiency and weakness or flaccidity of tendons and bones. Dendrobium officinale also helps address the fundamental issue of insufficient body fluids (yin), maintaining the balance between yin and yang in the body. At the same time, it can promote gastric juice secretion, enhance gastric emptying capacity to aid digestion, and provide auxiliary therapeutic effects for the prevention and treatment of liver and gallbladder diseases.
However, the consumption of ginseng and Dendrobium officinale should be done cautiously. Long-term or excessive use may cause adverse reactions, especially for individuals with excess syndrome or excessive internal damp-heat whose vital energy (zheng qi) is not deficient; these individuals should avoid using them to prevent worsening of their condition. Additionally, due to its slightly cold nature, Dendrobium officinale should also be used cautiously by individuals with deficiency-cold in the spleen and stomach.