Abstract
Dendrobium Officinalis Caulis is a kind of Traditional Chinese Medicine, which has a long history of use and has been widely considered by Chinese and foreign scholars. Much work on the chemical constituents (including polysaccharides, stilbene compounds, flavonoids, alkaloids, volatile oil, and amino acids, etc.) together with their biological activities (including antioxidation, anti-tumor, enhancing the body's immunity, anti-fatigue, regulating the digestive system, lowering blood sugar, decreasing blood lipids and so on) has been achieved. In this paper, we comprehensively reviewed the progress of its constituents and biological activities to provide a good reference for the researchers.