There is no clear study on when Dendrobium is suitable for consumption, so it can be consumed according to your own needs or according to medical advice. Dendrobium is a more commonly used Chinese medicine in clinical practice, which can enhance the content of superoxide dismutase in human body and has a good antioxidant effect. It also has the effect of activating blood circulation and removing blood stasis, and can be used to treat arteriosclerosis or vascular embolism. In addition, the phenanthrene substance in Dendrobium has anti-cancer effect and can also promote digestion. Dendrobium can be used for both medicine and food, fresh dendrobium can be chewed directly and dried dendrobium can be powdered into water to drink. Raw food can quench thirst, clear heat and nourish yin; decoction can nourish stomach and promote digestion; cooking porridge can improve immunity. However, pregnant women should not eat dendrobium as far as possible to avoid affecting fetal development. In addition, radish, cinnamon stick and mint should not be consumed together with dendrobium to prevent food poisoning, and patients are recommended to apply under the guidance of doctors.