Zhuling mushroom (Polyporus umbellatus) is a perennial edible and medicinal fungus of the Basidiomycota family. Zhuling mushroom has been used as medicine for over 2500 years due to its dried mycelium. According to historical herbal medicines and the Chinese Pharmacopoeia, Zhuling mushroom has the effect of promoting diuresis and promoting diuresis. It is mainly used to treat conditions such as urinary incontinence and edema, and has good therapeutic effects on urinary system diseases. The chemical substances in the mycelium of zhuling mushroom are abundant, mainly including large molecule polysaccharides and small molecule steroids, anthraquinones, triterpenoids, phenolic acids, etc. Among them, steroids and polysaccharides are the most active ingredients in zhuling mushroom. Related studies have found that the moisturizing effect of zhuling mushroom is related to its pharmacological effects such as diuresis, anti-inflammatory, antibacterial, antioxidant, immune regulation, and kidney protection.